To join the club you have to be put up by an existing member.
要加入俱乐部必须有一位会员做介绍人.
In her speech, the Minister came out against any change to the existing law.
这位部长在她的讲话中表示不同意对现行法律作任何更改。
Our future plans must mesh with existing practices.
我们未来的计画必须与当前的实践相合。