讲解：
save sth
除了:
They found out nothing more save that she had borne a child.
他们只查明她生过一个孩子,其他情况一无所获。

supposing that
假定；假设；设想:
Supposing (that) you are wrong, what will you do then?
假设你错了,那你会怎么办？

benefit sb
对(某人)有用；使受益:
We should spend the money on something that will benefit everyone.
我们应该把这笔钱花在大家都能得益的事上。

indispensable (to sb / sth) | ~ (for sth / for doing sth)
不可或缺的；必不可少的
Cars have become an indispensable part of our lives.
汽车已成了我们生活中必不可少的一部份。

rob sb / sth (of sth)
抢劫；掠夺；盗取:
The tomb had been robbed of its treasures.
这座坟墓里的财宝早已被盗。

be a matter of
关乎…的事情
Learning to drive is all a matter of coordination.
学开车主要是靠协调。