请问,该怎么理解were it not for

Were it not for were it not for him were it not for the sun中for怎么解释啊 it’s not for you.如何理解 If it had not been for与If it were not for有什么区别? Were it not for friction ,we were not able to walk on this e were it not for two factors不懂,成分 Were it for their help,we(not overcome)__the difficulties 请问it is not the bad thing it is often supposed to be该怎么翻译! love does not return to a thing it desires 这句话该怎么理解 急 Were it not for you,I should not have failed.But I prefer to if it were not for my father,my life would not have been so