It's more expensive than it was last time but not as good.

A. 它比上次的贵，但却比上次的差。
B. 价钱比上次的贵，但质量却比上次的差。

I know his father, but not his mother.

A. 我认识他父亲，但不认识他母亲。
B. 我认识他父亲，但不是他母亲。

We must avoid making mistakes in our work.

A. 我们必须避免在工作中犯错误。
B. 我们必须避免在工作中犯不必要的错误。

Had we enough time, things would be easy.

A. 要是我们有足够的时间，事情就好办了。
B. 我们有足够的时间，事情就容易了。

If true, this will cause us a lot of trouble.

A. 情况要是属实，这将给我们带来很多麻烦。
B. 如果是真的，这将给我们造成很多麻烦。

You can't buy things without money.没钱。

They felt worried when they realized that they had got on the wrong train.,他们开始担 心起来。

We assure you of our prompt attention to this matter.我们。

We acknowledge the receipt of the letter of your company dated June 7.贵公司6月7日的来函。

New Zealand is an island country in the southern Pacific Ocean, southeast of Australia.新西兰是南太平洋的一个岛国，。