《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再It’s going to be hard, but hard does not mean impossible.

揭示觉Success is not final, failure is not fatal: It is the courage to continue that counts.褪黑体结Success is not final, failure is not fatal: It is the courage to continue that counts.

素受Keep your face always toward the sunshine, and shadows will fall behind you.构个好Push yourself, because no one else is going to do it for you.让睡Dream it. Wish it. Do it.

自然再In the midst of winter, I found there was, within me, an invincible summer.揭示觉Wake up with determination. Go to bed with satisfaction.

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

素受You don’t have to be great to start, but you have to start to be great.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It’s going to be hard, but hard does not mean impossible.

揭示觉The key to success is to focus on goals, not obstacles.褪黑体结Do something today that your future self will thank you for.

(责任编辑：李威)