求英语高手翻译一小段文章 要求：不要太书面化，不要逐字逐句的翻译，尽量把英文写的简短一点，追加悬赏，

as the recently study shows，the key to keep happy is to make youself busy all the time。and even if you are engaging in some meaningless things，you can feel happier than doing nothing。
this research is focused on 98 students，and they make two questionnaire surveys 。when the first is finishied，they begin the second one after 15 minutes‘ rest，during which time the respondents can either hand in their questionnaires from both close and far。no matter which way you choose， you can get a chocolate bar。
consequently，there is 2/3 students handing in their questionnaires from the close place, and the remaining 1/3 who choose the far get more happiness and relax.
apart from physical bustles, the mental activity , self -examination and deep thinking
are all ways of keeping busy, which can make you happier.

你读书读几年级？我才初二