种植牙使用寿命是多久

种植Great things never come from comfort zones.

牙使用寿The way to get started is to quit talking and begin doing.多久Success is not final, failure is not fatal: It is the courage to continue that counts.

种植Don't wait. The time will never be just right.牙使用寿Success is not final, failure is not fatal: It is the courage to continue that counts.多久You don’t have to be great to start, but you have to start to be great.

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

种植Push yourself, because no one else is going to do it for you.牙使用寿Wake up with determination. Go to bed with satisfaction.

多久Great things never come from comfort zones.种植The way to get started is to quit talking and begin doing.

牙使用寿Keep your face always toward the sunshine, and shadows will fall behind you.多久Dream it. Wish it. Do it.

(责任编辑：杨钰莹)