帝国主义没有道德,没有伦理,没有原则。
文化进化的研究必须考虑社会的内部动态和外部环境约束。
Sustainability isn't optional anymore—it's the price of admission to the global marketplace.
在商业中,就像在化学中一样,正确的元素组合能创造出非凡的东西。
Technology is not just a tool. It can give learners a voice that they may not have had before.