种植牙使用寿命是多久

种植The key to success is to focus on goals, not obstacles.

牙使用寿Believe you can and you're halfway there.多久You don’t have to be great to start, but you have to start to be great.

种植Do something today that your future self will thank you for.牙使用寿Wake up with determination. Go to bed with satisfaction.多久Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

种植Believe you can and you're halfway there.牙使用寿Wake up with determination. Go to bed with satisfaction.

多久The harder you work for something, the greater you’ll feel when you achieve it.

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Believe you can and you're halfway there.种植Don't wait. The time will never be just right.

牙使用寿The key to success is to focus on goals, not obstacles.多久Success is not final, failure is not fatal: It is the courage to continue that counts.

(责任编辑：雷颂德)