The market competition is fierce, only continuous learning ensures invincibility.
从亚当和夏娃时代到农业发明之前,人类的生存一定是岌岌可危的,因为他无法确保自己的食物供应。
Life is short, and it’s up to you to make it sweet.
The more you know, the more you realize you don't know.
在观察性研究中,我们常常不得不依赖于无法直接检验的假设。