It is a low-impact aerobic exercise, the physical development of children and adolescents are of great help.

它是一项低冲击的有氧运动，对青少年儿童的身体发育有很大的帮助。

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But due to the economic depression, decrease in national income, and the impact of card debt, the operating conditions of many famous aerobic clubs are getting severe, even some of them close down.

但是，近年来经济及国民所得成长趋缓、卡债风暴冲击，有氧健身中心及俱乐部营运普遍陷入困境，许多知名健身俱乐部相继发生经营危机或倒闭事件。

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