In order to be healthy, teenagers need enough sleep.
为了健康，青少年需要足够的睡眠。
Don't stay up too late. Teenagers need to have enough sleep.
别熬得太晚。青少年需要足够睡眠。
In order to be healthy, teenagers need to get enough sleep.
为了保持健康，青少年需要得到足够的睡眠。
In order to be healthy, teenagers need to get enough sleep.
为了保持健康，青少年需要得到足够的睡眠。
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