当然我怀疑来自与某人的快乐策略是否对其他人有用。
Of course I wonder if happiness tactics that come from someone elsecan ever stick.
由肯定陈述句加肯定疑问短句构成的反意疑问句可用以表达对某人所述事情的回应，例如表达兴趣，怀疑或者愤怒。
When you want to show your reaction to what someone has just said, for example by expressing interest, surprise, doubt, or anger, you use a positive statement with a positive question tag.
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