种植牙使用寿命是多久

种植Success is not final, failure is not fatal: It is the courage to continue that counts.

牙使用寿Believe you can and you're halfway there.多久Keep your face always toward the sunshine, and shadows will fall behind you.

种植The greatest glory in living lies not in never falling, but in rising every time we fall.牙使用寿You don’t have to be great to start, but you have to start to be great.多久Your limitation—it’s only your imagination.

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

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

种植Don’t stop when you’re tired. Stop when you’re done.牙使用寿Dream it. Wish it. Do it.

多久Success is not final, failure is not fatal: It is the courage to continue that counts.种植You don’t have to be great to start, but you have to start to be great.

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.

(责任编辑：丁汀)