1.all kinds of 所有种类的
I'm crazy about chocolate, all kinds of it.
我大爱巧克力,什么样的都喜欢。
2.be used to 被用来做...
This mop is used to clean the toilet only.
这个墩布只能用来擦厕所。
3.require sb. to do sth. 要求某人做某事
This task requires employees to work with great carefulness.
这项工作要求员工极其认真才可以。