所有 和 yiqie 有什么区别？如果难以说明的话，请教我一下例句。

Most of the time, 所有and一切 are the same.
=>Both of them can be used as an adjective or noun, which has the same meaning as "all" ,"everything" or "all the things";
=>Both of them can be used as the subject or the object of a sentence.

一切都是有可能的。（Everything is possible.)
所有的灯都被打开了。（All the lights were turned on.)
感谢你为我做的一切。（Thank you for all the things that you've done for me.)