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人一生约有1/3的时间要在床上度过,如何选择适合自己的被子,尤其是在寒冬舒舒服服地睡好觉,与身体健康息息相关。
About one-third of human life time to spend in bed, how to choose the right quilt, especially in the winter comfortably sleep well, and health are closely related.