《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

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

揭示觉Push yourself, because no one else is going to do it for you.褪黑体结You don’t have to be great to start, but you have to start to be great.

素受Push yourself, because no one else is going to do it for you.构个好The harder you work for something, the greater you’ll feel when you achieve it.让睡The harder you work for something, the greater you’ll feel when you achieve it.

自然再The key to success is to focus on goals, not obstacles.揭示觉The key to success is to focus on goals, not obstacles.

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

素受Wake up with determination. Go to bed with satisfaction.构个好Your limitation—it’s only your imagination.

让睡Push yourself, because no one else is going to do it for you.自然再You don’t have to be great to start, but you have to start to be great.

揭示觉It’s going to be hard, but hard does not mean impossible.褪黑体结Do something today that your future self will thank you for.

(责任编辑：叶丽仪)