你應該知道的事

YSK:避免呼吸道疾病的最被忽視的防禦措施是適當的通風。
YSK: The most overlooked defense to avoid respiratory illnesses is proper ventilation.
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用中文在 know.buzzing.cc 瀏覽當前 Reddit小組 You Should Know 上最熱門的內容