A significant factor in the Leeds experience appears to be a scheme called HENRY, which helps parents reward behaviours that prevent obesity in children.
2
在儿童节那天，杰克因为诚实而获得了奖励。
On Children's Day, Jack received a prize for being an honest boy.
3
在没有奖励的情况下，这些儿童在只有50%的时间里愿意帮忙。
When no rewards were offered, these children helped out only about 50 percent of the time.
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