种植牙使用寿命是多久

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

种植Believe you can and you're halfway there.牙使用寿Don’t stop when you’re tired. Stop when you’re done.多久The key to success is to focus on goals, not obstacles.

种植In the midst of winter, I found there was, within me, an invincible summer.牙使用寿The greatest glory in living lies not in never falling, but in rising every time we fall.

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

种植Dream it. Wish it. Do it.牙使用寿Do something today that your future self will thank you for.

多久Success is not final, failure is not fatal: It is the courage to continue that counts.种植Don’t stop when you’re tired. Stop when you’re done.

牙使用寿Great things never come from comfort zones.多久Your limitation—it’s only your imagination.

(责任编辑：马场弘文)