difficult的例句大全

Because of difficult to produce best-selling books, while calculating costs, choosing optimal resources and drawing up marketing strategy, it should not be to pursuit fine binding and extensive marketing strategy.

由于很难有真正的畅销书，故在计算成本、优化选择各种资源、制定营销策略时，不可盲目追求精美的装帧以及大规模的营销策略。

Relative clause is an important but difficult grammatical structure in English study.

关系从句是英语学习中的一个重点和难点。

Well, personal hygiene in the field is difficult.

呃，荒野中很难保持个人卫生。

Strategies for different problems can rarely form comparatively fixed rules or solutions; the complexity of the strategic decisions are difficult to set up accurate mathematical models; therefore, the subjective judgement of the decision-makers can be hardly relied to make scientific and efficient decisions.

不同问题的决策难以形成相对固定的规律和解决方法，决策问题的复杂性难以建立精确的数学模型，仅单纯依靠决策者的主观判断很难及时、准确的提出科学、有效的决策方案。

In these simulations, there are numerous entities, complicated interactive relations, uncertain effect process. And simulation models are complex, multi-domain and multi-organization. Causal tracing analysis of simulation result only by subjective judgement has become very difficult.

由于仿真中涉及的实体众多，交互关系复杂，作用过程具有不确定性，仿真模型复杂且具有多领域多组织特征，使得人们通过主观判断对仿真结果进行因果追溯分析变得非常困难。

Royal jelly is even more difficult to extract than propolis.

王浆比蜂胶更难于提取。

Graduates are finding it more and more difficult to find employment.

毕业生感到找工作越来越难。

Some verses of this period expressed the wishes of getting achievements, and some expressed the depressing and sadness about having a lot of difficult to realize the value of life.

这期间所产生的诗歌，有的表现出强烈的建功立业的愿望，也有的抒发人生价值难以实现的苦闷和忧伤。

In hot weather it is rather difficult to preserve food and keep it fresh and safe to eat.

热天很难保藏食品，使之保持新鲜与食用安全。

Application of light wand introducer in difficult airway

光索导引器在困难气管插管中的应用

It seems that there are cultural boundaries that make this task quite difficult because avid reading is not associated with success.

好像文化的羁绊增加了实现这个目标的难度，因为废寝忘食的读者跟成功还没联系起来。

For those who find it difficult not to be anxious for other people.

他们发现自己很难不为他人感到忧虑。

Starting a new blog is difficult and this can put many people off, there are then other people who have blogs with no comments or visits.

开始一个新的博客很困难，这可以使许多人停止，也有一些人有博客确没有评论也没有人访问。

Much of the company has been privatized in recent years, but many workers are civil servants and it is very difficult to lay them off in France.

近几年来，该公司大部分实现私有化，但是许多工作人员是公务员，在法国难以将他们解雇。

Hard brass wire is difficult to get.

硬铜丝是很难得到.

Today, with increasingly close dependency among countries, it is very difficult for any member country to stay aloof from the above-mentioned challenges.

在国与国相互依存日益紧密的今天，面对上述挑战，任何一个成员都很难置身事外。

National performance audit results announcement makes unobservable reality is difficult to measure specifically, and existing performance evaluation methods are inherently flawed and inadequate, resulting in the current theoretical and practical circles have not yet been accepted scientific evaluation.

国家审计结果公告绩效的不可观测性使在现实中很难具体衡量，而且现有的绩效评价方法存在固有的缺陷和不足，致使目前理论界和实务界都还没有公认的科学评价方法。

Some people have a difficult time upgrading their copy of X-Plane to the latest version.

有的人在把 X -Plane升到最新版本时,遇到了很多麻烦.

It is a mathematics-made-it difficult subject . HAHA!

会计是数学的难度升级版, 哈哈.

After the Asian soccer association headquarters move westward Doha, the Chinese soccer wants to have an action to perform in the diplomatic battlefield will be very difficult.

亚足联总部西迁多哈后，中国足球想在外交战场有所动作将难上加难。