1. The store will shut down at the end of April, or sooner if all the merchandise sells out.2. The store will close down at the end of April, or sooner if all the merchandise sells out.3. J.C. Penney will close its store in Tampa Bay.4. This store is closed permanently.5. I am really sorry to tell you that our factory will close down permanently by the end of this year.
 shut down close down (permanently) go out of business close closed permanently
停止營業 = shut down = close downclose down permanently = go out of business = 破產，也常用在關門大吉closed 通常指商家暫時關門，明天還會開門，除非有上下文表明指停止營業，如:J.C. Penney will close its store in Tampa Bay.This store is closed permanently.這些例句中的 close 表示關門大吉。
I have been wecking my brain on this tough math question but I still cannot solve it.下一題 - 壞掉了 f我要發問