好像unless后面可以接过去分词。如:Unless it is changed, this law will make life difficult for farmers. 这项法令除非进行修改,否则将给农民的生活造成困难。(Unless changed= Unless it is changed)但是unless 后面也可以接现在分词吗?如:...
Only 53 per cent of the
human resources directors it
surveyed at leading global employers were reasonably or highly confident about
the adequacy of their future workforce strategy.为什么加个it?去掉不可以吗?