“If.If.If...If.But there is no "If" in the world.Only aftermath and result”是什么意思?

if if if but if什么意思 “if any”“if ever”“if “if any”“if ever”“if IF ANY,IF SO,IF NOT,IF if never,if any,if not,if int t; if(a if(a) {if(b =IF(IF(D6 only if/if if only ,if necessary If you live,I won't die; But if you die,I'll really be dead! I don't know if it------tomorrow,but if it-----,I'll go swimming But I don't know if I think too much.为什么要把 if 改成whether? I don't mind if he (come),but if he (come),please tell me “If.If.If...If.But there is no If in the world.Only aftermath and result”是什么意思?