His second book is better than his first.
他的第二部书比第一部好。
The money could be better spent on more urgent cases.
这笔钱用于较紧迫的事情也许会好些。
You'll feel better for a good night's sleep.
你晚上睡个好觉就会觉得好些。
You'll feel better after a good night's sleep.
你晚上睡个好觉就会觉得舒服些。
I'll feel better after a good night's sleep.
好好睡一晚，我就会觉得好些了。