1.economic models 经济模型

例句:Long-run and short-run changes play an important part in economic models.

长期和短期的变化在“经济模型”中起重要作用。

2.spells out 讲清楚

例句:If he agrees, make him sign a written contract at once that spells out the terms.

如果他同意，让他立刻签署书面合同，写清各项条款。

3.turned out 证明是

例句:Cosgrave's forecast turned out to be quite wrong.

科斯格雷夫的预测最后证明是大错特错。

4.taking into account 将...考虑在内

例句:Not taking into account the stay at home too boring, and I leave a long time ago.

不是考虑到待在家里太闷了，我早就请假了。