1.at least 至少

例句:He's been away for at least a week.
他走了总有一个星期吧。

2.in line with 符合；与...一致

例句:The new proposal is in line with our general line.
新建议和我们总的原则是一致的。

3.economic output 经济产出

例句:The share of economic output that importing countries must spend on oil has risen dramatically.
进口国家在石油上必须花费的经济产出份额已经大幅上升。

4.rely on 依靠；依赖

例句:We had to rely on a compass and a lot of luck to get here.
我们不得不依靠指南针和不错的运气找到这儿来。