Aim to die broke. Give to your beneficiaries before you die； it’s more fun and useful. Spend it all. Your last check should go to the funeral home and it should bounce. 

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

可持续性不是一种选择；它是水产养殖唯一的前进道路。

希望是一幅美好的早餐，但却是一顿糟糕的晚餐。

Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the 21st century.

多项式时间归约的概念对于理解NP完全问题的结构至关重要。