让我们清楚一点：只是限制广告不健康的食物是不够的。增加对健康食品的'营销也很关键。
And let's be clear: It's not enough just to limit ads for foods that aren't healthy. It's also going to be critical to increase marketing for foods that are healthy.
数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。
"Every book is a journey, and every page is a step towards discovering the unknown."
Success is not the key to happiness. Happiness is the key to success
Sometimes, what we need is not a bowl of chicken soup, but a slap in the face.
代数分析很快让我们忘记了研究的主要对象，将注意力集中在抽象的组合上，直到最后我们才回到最初的目标。