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Push yourself, because no one else is going to do it for you.

种植Great things never come from comfort zones.牙使用寿Success is not final, failure is not fatal: It is the courage to continue that counts.多久Don't wait. The time will never be just right.

种植Do something today that your future self will thank you for.牙使用寿The way to get started is to quit talking and begin doing.

多久You don’t have to be great to start, but you have to start to be great.

种植It’s going to be hard, but hard does not mean impossible.牙使用寿Push yourself, because no one else is going to do it for you.

多久Keep your face always toward the sunshine, and shadows will fall behind you.种植The key to success is to focus on goals, not obstacles.

牙使用寿Your limitation—it’s only your imagination.多久The key to success is to focus on goals, not obstacles.

(责任编辑：王恩琦)