1·The subject of a sentence and its verb must agree in number.
句子的主语和动词的数必须一致。
—— 《牛津词典》
2·In French the adjective must agree with the noun in number and gender.
法语中形容词必须在数和性上与名词一致。
—— 《牛津词典》
3·There were forty camels in the caravan, and the mules were twice forty in number.
商队有四十匹骆驼，骡子的数量则是骆驼的两倍。
4·Considering these facts, the possibilities for breakdowns in communication seem infinite in number.
考虑到这些事实，从数字来看，交流中出现崩溃的可能性似乎无穷无尽。
5·European languages, when traced back to their earlier version, are very poor in number words and expressions.
追溯欧洲语言的早期版本，关于数字的词汇和表达非常贫乏。
6·Besides, I am more tired of waking up on these fine autumn mornings to find even the apples on my side of the fence is much less in number.
此外，我更厌倦了在这些晴朗的秋日早晨醒来却发现甚至是我这一边的篱笆上的苹果也少得多。
7·The word 'men' is plural in number.
men一词是复数形式。
—— 《牛津词典》
8·Ten—the age of Annemarie in Number the Stars—is an age when young people are beginning to develop a strong set of personal ethics.
十岁——《数星星》中安妮玛丽的年龄——是孩子们开始形成一套稳固的个人道德准则的年纪。
9·Instead of human being's counting error, which only results one or two counting error in number, an error in the program code could cause tramendous error in number.
人类的计数错误只会导致一到两个数字错误，而程序代码中的一个错误可能会导致数字上的严重错误。
10·We are sixty in number.
我们一共60人。
—— 《新英汉大辞典》