种植牙使用寿命是多久

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多久It’s going to be hard, but hard does not mean impossible.

种植In the midst of winter, I found there was, within me, an invincible summer.牙使用寿Push yourself, because no one else is going to do it for you.

多久The way to get started is to quit talking and begin doing.种植Keep your face always toward the sunshine, and shadows will fall behind you.

牙使用寿Dream it. Wish it. Do it.多久Wake up with determination. Go to bed with satisfaction.

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