Hdm
分層開發(fā)方法論
??? 情景例句
I have your bill right here.
您的賬單在這里。
There's a cool breeze this evening.
今晚有涼爽的微風(fēng)。
From then on, Harry decided that this little game he had invented might prove to be expensive.
從那以后，他認(rèn)識(shí)到自己發(fā)明的小小惡作劇是要付出很大的代價(jià)的。