A：Why are there still so many people overweight despite the current fitness craze?现在健身这么火,为什么还是有那么多人超重呢?

B：Well, there are certain factors that effect people's size and weight.嗯,还是有一些因素会影响人们的体型和体重的.

A：What are they?都有哪些因素呢?

B：One study said that low-income groups have a higher percentage of over-weight people than higher income families.有研究表明低收入人群超重的比例比高收入人群高.

A：Why?为什么呢?

B：The survey said that the low, income groups eat more junk food on a daily basis.说低收入人群每天吃太多的垃圾食品.

A：That makes sense. Probably less time to make dinner and the junk food is cheaper.可以理解,他们每天工作忙,没时间做饭,垃圾食品又比较便宜.

B：And junk food contains lots of fat and oil. There is one final reason why so many people are fat.垃圾食品油脂含量又高.不过还有另外一个原因.

A：What's that?什么?

B：Nobody exercises any more-not even kids! The average American home has the TV on for 6 hours a day!现在很少有人锻炼身体,甚至小孩都不锻炼.家里电视一天至少开6个小时.

A：Wow! No wonder people are so fat. Say, Carl, looks like you could be doing a bit more exercising.天啊.怪不得人们变得这么胖.卡尔,你是不是也该锻炼锻炼身体了?

B：Yeah, I guess so.可能吧.

A：You should consider eating healthier food and getting some more exercise.你可要注意饮食了,多做锻炼啊.

B：Hey, I started a diet and lost 10 pounds.我节食一段时间,瘦了10磅呢.

A：So what happened?后来呢?

B：Well, I quit and gained it back plus 5 pounds.我放弃了,结果体重反弹,又胖了5磅.

A：You should have kept trying.贵在坚持啊.