rience is not have done, it is what you have learned while doing it! 經驗不是你曾經做過什麼,而是你在做的過程中學到了什麼!
e doing experiments, you must make careful observations. 做試驗時,你必須仔細觀察。
e doing the business she is having two young children to care for. 她邊做生意邊照料兩個年幼的.孩子。
had met her while doing a corporate job. 他是在一次合作項目中遇到她的。
likes to listen to music while doing his homework. 他喜歡一邊做作業,一邊聽音樂。