English Plurals: Rules and Common Exceptions
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
Singular refers to one single person, animal, place, or object. Plural refers to two or more. English grammar requires countable nouns to match quantities, demonstratives such as these or those, and present tense verbs.
The office ordered ten new laptops for the design team.