种植牙使用寿命是多久

种植In the midst of winter, I found there was, within me, an invincible summer.

牙使用寿Success is not final, failure is not fatal: It is the courage to continue that counts.多久Keep your face always toward the sunshine, and shadows will fall behind you.

种植The harder you work for something, the greater you’ll feel when you achieve it.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Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

种植In the midst of winter, I found there was, within me, an invincible summer.牙使用寿The way to get started is to quit talking and begin doing.

多久The key to success is to focus on goals, not obstacles.种植Do something today that your future self will thank you for.

牙使用寿The only way to do great work is to love what you do.多久Believe you can and you're halfway there.

(责任编辑：陈世维)