在世界各地，越来越多的人使用手机上网。

In world each district, more and more people use a mobile phone to get online.

你们教室允许使用手机吗？

Are mobile phones allowed in your classroom?

学生应该被允许在学校使用手机。

Students should be allowed to use cell phones in school.

一些学校不允许使用手机，因为他们认为手机会分散学生的注意力。

Some schools don't allow cell phones because they think the phones can distract students from their work.

学生还应跟踪使用手机的时间，避免过度使用。

Students should also track time spent on their phones and avoid using them too much.

许多老师认为，如果学生学会正确使用手机，利大于弊。

Many teachers feel that the benefits outweigh the problems if students learn to use the phones correctly.

老师和家长可以教孩子们以安全的方式使用手机，帮助他们学习新东西。

Teachers and parents can teach kids to use cell phones in a safe way that helps them learn new things.

在工作时请勿使用手机。

Please do not use your phone at work.

请不要使用手机在课堂上。

Please do not use your phone in class.

在上班期间，请不要使用手机。

Please do not use your phone at work.