一、说明原因型模块Currently, XX has been the order of the day. This does demonstrate the theory --- nothing is more valuable than XX It is clear that (1). If you (2), as a result, your dreams will come true. On the contrary, if you (3).Failure will be following with you. It turns out that all your plan falls through. No one can deny another fact that (4).You don't have to look very far to find out..