YSK that your paper coffee cup may leak if the cup's seam is aligned with the hole for your mouth in the cup's lid
from /r/YouShouldKnow
如果纸咖啡杯的接缝与杯盖上的嘴孔对齐,YSK认为你的纸咖啡杯可能会泄漏。
如果纸咖啡杯的接缝与杯盖上的嘴孔对齐,YSK认为你的纸咖啡杯可能会泄漏。
YSK that your paper coffee cup may leak if the cup's seam is aligned with the hole for your mouth in the cup's lid
from /r/YouShouldKnow