creating a chain reaction
产生连锁反应
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Even if his work is totally useless, he would spend the income, which would lead to a chain reaction in creating useful economic activities.
即使他的工作是完全无用的，他将花的收入，这将导致连锁反应，创造有益的经济活动。
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