know the score;have a head for figures(指数量);have a clear idea about... ;have a grasp of a situation and know what to do ;

4在对各个供应商(原料和辅料)的优劣势心中有数的情况下与他们开展友好合作.
来源:互联网摘选把自己的错题收集起来, 建立起自己的思维障碍库, 这是做到心中有数.
来源:互联网摘选He knew there was no chance of any violence, not in Vegas itself.
他心中有数,不可能有暴力行为, 在韦加斯范围以内不可能.
来源:教父部分This time it brought him to his senses to the attitude he had decided to adopt.
这一次他头脑清醒,对自己所要采取的态度心中有数.
来源:词典精选例句However, the admirals Halsey was taking north with him did have ideas.
然而, 随同海尔赛一起向北进发的那些将军们却是心中有数的.
来源:词典精选例句Prior to predict: you want to do well in the budget next year capital operation, anticipation.
事先要预测: 要对明年资金运作做好预算, 做到心中有数.
来源:互联网摘选Keep copies of all cover letters, so you know what you sent to whom.
将一切求职信的备份, 这样你对本人将求职信发送给谁了就能做到心中有数.
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