Some examples of word usage: a number of
1. There are a number of reasons why I can't attend the party tonight.
有很多理由我不能参加今晚的聚会。
2. The company received a number of complaints about the new product.
该公司收到了很多关于新产品的投诉。
3. The teacher asked the students to choose from a number of possible topics for their research project.
老师让学生们从多个可能的主题中选择他们的研究项目。
4. The restaurant offers a number of vegetarian options on their menu.
这家餐厅在菜单上提供了许多素食选择。
5. We have received a number of applications for the open position.
我们收到了许多申请这个空缺职位的申请。
6. The concert attracted a number of fans from all over the country.
这场音乐会吸引了来自全国各地的众多粉丝。