Answer: There is no difference to energy. However, as mass volume air convection reduces body temperature, sweat occurs later, so the duration will be prolonged and you may catch cold.
答：对能量而言并无差别，不过因空气大量对流，带走体温使发汗时间延后，当然使用时间就会延长，较容易着凉。
You typically catch a cold when an infected person sneezes, coughs or shakes hands with you. It may take a few days for the symptoms to appear.
典型的感染感冒的过程是一个已经感冒了的人在你周围打喷嚏，咳嗽或者同你握手，而表现出感冒的症状还需要几天的时间。
Novel infrared heating design, let you be in massage while may conduct heat therapy, for cold catch cold catch cold disease caused with good results.
新颖的红外线发热设计，让您在按摩的同时可以进行热疗，对受寒受凉导致的疾病有很好的效果。
Novel infrared heating design, let you be in massage while may conduct heat therapy, for cold catch cold catch cold disease caused with good results.
新颖的红外线发热设计，让您在按摩的同时可以进行热疗，对受寒受凉导致的疾病有很好的效果。
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