18. 说明数量Quantity
Could you call the restaurant and make a reservation for 12 people？/你 能打电话给那家餐厅预订12个人的座位吗？
His new laptop computer is only 0.75 inches thick./他的新笔记本电脑 厚度仅为0.75英寸。
I spend about two hours every day writing e-mails./我每天要花两小时 左右写电子邮件。
Over 250 people have signed up for the conference./本次会议共有250 多人报名参加。
Please bring 500 copies of the handout to the conference./请带500份材 料来开会。
The author's latest book is roughly 300 pages long./这个作家最新的作 品大约有300页。
The company has over 20，000 employees worldwide./这家公司在全 球有2万多名员工。
The temperature fell to around five degrees yesterday./昨天的气温下降 到了5度左右。
