To understand the world, you must first understand a place like Ireland.
Sustainability isn't just about planting trees; it's about planting the right trees in the right places for the right reasons.
我必须拥有花朵,永远,永远。
如果你没有失败,说明你不够努力。
在统计工作中,正确的数学工具必须用于正确的问题,而且工具必须锋利。