基本句式: be done
All these jobs can now be done by one single machine.
所有这些工作现在只用一台机器就可以完成。
In the old days this used to be done with a baggage train of camels.
在古时候，这常常由一队拉行李的骆驼来完成。
All this is to be done without big increases in the basic level of taxation.
所有这一切将在没有大幅度提高最低所得税标准的情况下进行。
Much remains to be done.
还有很多事要去做。
What is to be done about this problem?
该如何处理这个问题
