例句：
His speech is immature, his vocabulary limited.
他讲话不成熟，词汇量也有限。
Early booking is essential, as space is limited.
座位有限，务必早日预订。
He limited payments on the country's foreign debt.
他限制了国家外债的支付。
The number of places available is necessarily limited.
可录学生的名额不可避免地很有限。
We can't promise to publish a reply as space is limited.
因为篇幅有限，我们无法允诺刊登答复。