1.Experience is not have done, it is what you have learned while doing it! 經(jīng)驗(yàn)不是你曾經(jīng)做過(guò)什么，而是你在做的過(guò)程中學(xué)到了什么！

　　2.While doing experiments, you must make careful observations. 做試驗(yàn)時(shí)，你必須仔細(xì)觀察。

　　3.While doing the business she is having two young children to care for. 她邊做生意邊照料兩個(gè)年幼的.孩子。

　　4.He had met her while doing a corporate job. 他是在一次合作項(xiàng)目中遇到她的。

　　5.He likes to listen to music while doing his homework. 他喜歡一邊做作業(yè)，一邊聽(tīng)音樂(lè)。