Smile
2021-04-15 10:54 作者:北執(zhí)-BeiZhi | 我要投稿
A? recent? study? at? Penn? State? University? found? that? when? you? smile,? you? do? not only? appear? to? be more likeable? and? counteous.We? smile often and use? smile? to express joy? and satisfaction.
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