it has already done 已经完成了 eg: It has already done so.希望对你有帮组哦~
请解释意思并用英文造句。
1、Above all, something must be done to stop polluting.
更重要的是,必须釆取某些措施来阻止污染。
2、In fact it has already shrunk the world into bytes.
事实上，它已经把实际浓缩为比特世界了。2013-05-28
It must be done 必须要完成，anyway无论如何
eg:It must be done in a transparent way
it has already done 已经完成了
eg: It has already done so.
希望对你有帮组哦~2013-05-28
