I use it on my face, neck, arms and legs to tighten aging skin.
我用它在我的脸上，颈部，手臂，和腿上，可以使我的皮肤重新紧致起来。
Because I can't use my arms or legs well, normal things like answering the telephone, opening and shutting doors, or carrying things have always been difficult for me.
因为我手脚不便，像接电话，开关门或提东西之类正常人能干的事我总是很难做到。
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