用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变改写“You should exercise as often as possible”翻译：It is very important that you create a nice and pleasant sleep environment for you

用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变改写“You should exercise as often as possible”翻译：It is very important that you create a nice and pleasant sleep environment for you
用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变
改写“You should exercise as often as possible”
翻译：It is very important that you create a nice and pleasant sleep environment for yourself.
Why does a person need sleep?
What might happen if you eat woo much before bedtime

用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变改写“You should exercise as often as possible”翻译：It is very important that you create a nice and pleasant sleep environment for you
It's difficult for many people to get a good night's sleep