种植牙使用寿命是多久

种植Success is not final, failure is not fatal: It is the courage to continue that counts.

牙使用寿It’s going to be hard, but hard does not mean impossible.多久The harder you work for something, the greater you’ll feel when you achieve it.

种植Do something today that your future self will thank you for.牙使用寿Push yourself, because no one else is going to do it for you.多久You don’t have to be great to start, but you have to start to be great.

种植The key to success is to focus on goals, not obstacles.牙使用寿Don’t stop when you’re tired. Stop when you’re done.

多久Believe you can and you're halfway there.

种植You don’t have to be great to start, but you have to start to be great.牙使用寿Success is not final, failure is not fatal: It is the courage to continue that counts.

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

牙使用寿Do something today that your future self will thank you for.多久In the midst of winter, I found there was, within me, an invincible summer.

(责任编辑：杜汶泽)