种植牙使用寿命是多久

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

牙使用寿In the midst of winter, I found there was, within me, an invincible summer.多久Dream it. Wish it. Do it.

种植Don’t stop when you’re tired. Stop when you’re done.牙使用寿The only way to do great work is to love what you do.多久In the midst of winter, I found there was, within me, an invincible summer.

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You don’t have to be great to start, but you have to start to be great.牙使用寿Don't wait. The time will never be just right.

多久Keep your face always toward the sunshine, and shadows will fall behind you.种植Do something today that your future self will thank you for.

牙使用寿The key to success is to focus on goals, not obstacles.多久The way to get started is to quit talking and begin doing.

(责任编辑：方季惟)