注意，蛋黄带血的为孵过的蛋，蛋壳破损的会有细菌侵入滋长，均不宜购买。
Warning: Eggs contain yolks with blood are hatched ones, and those with broken shell are apt to be invaded by germs, so they shall not be purchased.
蛋筒的尖底往往是为人们所忽视的地方——这儿或有可能已经破损。
A trouble spot some people overlook is the bottom tip of the cone. This may have been broken off.
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