unsubscribe的用法和樣例：
例句
用作動(dòng)詞 (v.)
- If you would liketo opt out of receiving email, you may unsubscribe at any time.
如果您決定不接受此類(lèi)郵件，可在任何時(shí)候退訂。 - End users are able to subscribe and unsubscribe to the published alerts made available to them.
終端用戶(hù)能夠訂閱他們可獲得的發(fā)布警示信息，并可取消訂閱。 - Problems that result from a failure to unsubscribe correctly can resemble a memory leak.
因未能正確取消訂閱而導致的問(wèn)題類(lèi)似于內存泄漏。
