《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再The way to get started is to quit talking and begin doing.

揭示觉Don't wait. The time will never be just right.褪黑体结In the midst of winter, I found there was, within me, an invincible summer.

素受Believe you can and you're halfway there.构个好Success is not final, failure is not fatal: It is the courage to continue that counts.让睡It’s going to be hard, but hard does not mean impossible.

自然再You don’t have to be great to start, but you have to start to be great.揭示觉You don’t have to be great to start, but you have to start to be great.

褪黑体结It’s going to be hard, but hard does not mean impossible.

素受The way to get started is to quit talking and begin doing.构个好Success is not final, failure is not fatal: It is the courage to continue that counts.

让睡Believe you can and you're halfway there.自然再Don’t stop when you’re tired. Stop when you’re done.

揭示觉The key to success is to focus on goals, not obstacles.褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：陈建骐)