例句：

　　His speech is immature, his vocabulary limited.

　　他講話不成熟，詞匯量也有限。

　　Early booking is essential, as space is limited.

　　座位有限，務(wù)必早日預(yù)訂。

　　He limited payments on the country's foreign debt.

　　他限制了國家外債的支付。

　　The number of places available is necessarily limited.

　　可錄學生的名額不可避免地很有限。

　　We can't promise to publish a reply as space is limited.

　　因為篇幅有限，我們無法允諾刊登答復(fù)。