用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变

用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变
用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变

用‘‘it’s difficulf ''改写Many people have problems getting a good night 's sleep使其意思不变
it is difficult to get a good night's sleep for many people.