no pain no gain 中的pain 和 gain 要不要加S

no pain no gain 中的pain 和 gain 要不要加S No pain No gain no pain s. no. gain s. 意思 no pain no gain是什么意思? no pay no gain与no pain no gain no pain no gain是什麽意思? No pain No gain怎么意思 no pain no gain什么意思 英语翻译No pain,no gain?No pain,no gain!Many people tend to over no pain gain 的英文例子 no pain no gain 还是no pains no gains 是no pains,no gains还是no pain,no gain?