你應該知道的事

YSK認爲,牙齒略微發黃是完全正常的,如果牙齒太白,實際上對牙齒的健康不利。
YSK that having slightly yellow teeth is COMPLETELY normal and it’s actually bad for the health of your teeth if they are too white.
from /r/YouShouldKnow
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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