Because it has been said that each American soilder cost us one million dollars a year Ambassodor is so much cheaper.

有人说一个美国士兵每年要花费一百万美元,相比之下，大使是如此廉价。

普林斯顿公开课 - 国际座谈会课程节选

There has been a long discussion about what people owe each other and how okay it is to try to make money.

曾经有一次很长的讨论,是关于自己欠别人多少,而自己应该赚多少才合适

耶鲁公开课 - 金融市场课程节选

They cancel each other out. So, you know, The frontal of the fighting has been borned by the US, the UK, Canada, France, Holand and Denmark.

他们相互抵消了，前线战争是由,美国，英国，加拿大，法国，荷兰，丹麦。

普林斯顿公开课 - 国际座谈会课程节选