青少年每天至少要有九个小时的睡眠时间，但是许多青少年都没有足够的睡眠。的翻译：Young people must have at least nine hours of sleep per day, but many young people do not have sufficient sleep. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Young people at least nine hours a day sleep time, but many young people do not have enough sleep.

Young people must have at least nine hours of sleep per day, but many young people do not have sufficient sleep.

The young people at least must have nine hour sleep time every day, but many young people do not have the enough sleep.

Young people must be at least 9 hours a day of sleep time, but many of the young people will have sufficient sleep.

Young people must have at least nine hours of sleep per day, but many young people do not have sufficient sleep.