1·In some places, you may borrow as many books as you want, but in others you are limited to a certain number of books for several weeks so that you can have enough time to finish all the books you've borrowed.
在一些地方，你可以想借多少书就借多少，但在其他地方，你只限于借阅一定数量的书几个星期，这样你可以有足够的时间读完所有已借的书。
2·Each marshmallow cloud can hold a certain number of people.
每个棉花糖云都能承载一定数量的人。
3·They had all been invited and each person who was invited has to bring with him a certain number of silver and gold coins.
他们都被邀请了，每个受邀的人都必须带着一定数量的银币和金币。
4·A certain number of years ago, this place was still a little fishing village.
若干年前，这里还是一个小渔村。
—— 《新英汉大辞典》
5·A certain number of letters had been considered as unpublishable.
一部分信件被认为是不能出版的。
6·Trigger a build after a certain number of commits.
在一定数量的交付之后触发一个构建。
7·Dependence on certain number conversions resulting in nan.
依赖于特定的数字转换，得到nan。
8·Writing a certain number of posts before your blog launch.
博客发表之前写出发表的确定数字。
9·Processors are described as being a certain number of bits.
处理器被描述为特定数量的数据位。
10·Each customer has decided to purchase a certain number of items.
每位顾客已经决定采购一定数量的商品。