问题补充：
你永远不知道哪次不经意的说了再见之后就真的再也不见了英文怎么说我不知道怎么翻译好.我自己是这么写的youve never known which time u said good bye inadvertently,then really never meet.不要机器翻译哦.谢谢各位大虾了~!o(≥v≤)o~~ 英语
答案：
【答案】 Youll never know which good-bye you carelessly said would become a farewell forever.
