I think the first lesson that is about the environment is the most important.

The first lesson is that flattery and real compliments are very different.

第一堂课是：谄媚和真正的赞美是非常不同的。

Please read the first lesson.

请读第一课。

The first lesson comes from thinking about Harry Potter and his voice.

第一个经验，是来自于哈利波特和他的声音。

The first lesson that I had will never be forgotten.

我所上的第一节课将永远不会被忘记。

According to Cao, the first lesson for workplace freshmen should involve role playing.

曹勇表示，职场新人第一课的内容之一便是角色扮演。

Can you still remember the first lesson from the academic at university?

你还记得大学时那位老师给我们上的第一节课吗？

At the same time it points out that the result of MCAI not merely relates to making of lesson one of multimedia, to whole lesson the mode of presentings, but also to combination of the teaching methodology, the show ways of material and courseware.

并介绍有机化学课件中三个模块的建立，指出MCAI的效果不仅与多媒体课件的制作有关，还与整个课件的呈现模式、各知识素材的展示方式及课件与教学法的结合密切相关。

I'll teach that baker's boy a lesson one day,'he said. 'I wish I was bigger than him!'

早晚有一天我要教训教训面包师的儿子。他说，真希望我比他个子高！

Lesson One is as easy as Lesson Two.

第一课和第二课一样容易。

So, lesson one, follow your feelings.

因此，我人生的第一个教训就是跟随自己的感觉。

Lesson one from the saga is beware of smaller, well-managed groups trying to gain scale by acquiring larger, unhealthy ones.

这段传奇故事给我们的第一个教训是：规模较小、管理良好的集团试图通过收购规模较大、境况不佳的集团来扩大规模时，要加以警惕。

After reading Lesson One, we went on read Lesson Two.

读完第一课后，我们又接着读第二课。

Lesson one: don't confuse trans-seasonal dressing with playing it safe.

经验教训一：不能把跨季服装与注重稳妥混为一谈。

Lesson one: keep it short.

第一条经验就是：简短。

Duke Forrest: What's going on, Frank? That lesson one?

发生什么事情了，弗兰克？那个上课的家伙？

And that's a lesson one hopes American policy makers will take to heart.

大家都希望美国制定政策者应该牢记这一教训。

Lesson one: Get the diagnosis right.

教训之一：作出正确的诊断。

Lesson one: New challenges require new ways of thinking

1.面对新挑战，要有新思路

That's when you're really rich.So, lesson one, follow your feelings.

这才是你真正富有的时候。因此，第一个经验，跟随你的心灵。

I'll teach that baker's boy a lesson one day ，'he said. 'I wish I was bigger than him ！'

“早晚有一天我要教训教训面包师的儿子。”他说，“真希望我比他个子高！”