1、So that's twenty of each sort， right?那么，每一种都是二十个，对不对
2、So that's his game.原来这就是他的鬼把戏。
3、Information must be stored so that it is secure from accidental deletion.必须把资料保存起来，这样才不至于无意中删除。
4、Stir the sauce constantly so that it does not separate.不停地搅动沙司，免得出现分层。
