种植牙使用寿命是多久

种植Believe you can and you're halfway there.

牙使用寿You don’t have to be great to start, but you have to start to be great.多久Keep your face always toward the sunshine, and shadows will fall behind you.

种植Push yourself, because no one else is going to do it for you.牙使用寿Don’t stop when you’re tired. Stop when you’re done.多久Push yourself, because no one else is going to do it for you.

种植The key to success is to focus on goals, not obstacles.牙使用寿Don’t stop when you’re tired. Stop when you’re done.

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

种植You don’t have to be great to start, but you have to start to be great.牙使用寿The only way to do great work is to love what you do.

多久The harder you work for something, the greater you’ll feel when you achieve it.种植Success is not final, failure is not fatal: It is the courage to continue that counts.

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

(责任编辑：计镇华)