必背句型:
A:A heavy duty is on the imports of steel.
钢材进口关税很高。
B:To impose a heavy duty on the imports of steel is unreasonable.
对钢材进口征收高关税是无道理的。
It is unreasonable to impose a heavy duty on the imports of steel。
对钢材进口征收高关税是无道理的。
To require him to do the work like this is unreasonable.
要求他像这样的工作是无道理的。
It isunreasonable to require him to do the work like this.
要求他像这样的工作是无道理的。

延伸阅读:
A:Is there anything I cannot bring?
有什么东西我不能带吗?
B:You cannot bring it into the country without special permits.
没有经过特别许可你不能带这种东西进入这个国家。
The gold jewelry can not be brought into the country without special permits.
没有经过特别许可金首饰不能带入这个国家。
You cannot bring the gold jewelry into the country without special permits.
没有经过特别许可你不能带金首饰进入这个国家。
The plans can not be brought into the country without special permits.
没有经过特别许可你不能带植物进入这个国家。