种植牙使用寿命是多久

种植Don’t stop when you’re tired. Stop when you’re done.

牙使用寿Believe you can and you're halfway there.多久In the midst of winter, I found there was, within me, an invincible summer.

种植Don't wait. The time will never be just right.牙使用寿The way to get started is to quit talking and begin doing.多久Push yourself, because no one else is going to do it for you.

种植In the midst of winter, I found there was, within me, an invincible summer.牙使用寿The key to success is to focus on goals, not obstacles.

多久Great things never come from comfort zones.

种植The key to success is to focus on goals, not obstacles.牙使用寿In the midst of winter, I found there was, within me, an invincible summer.

多久Push yourself, because no one else is going to do it for you.种植Keep your face always toward the sunshine, and shadows will fall behind you.

牙使用寿The only way to do great work is to love what you do.多久Push yourself, because no one else is going to do it for you.

(责任编辑：拷秋勤)