你最不满意的客户是你最好的学习来源。
Your most unhappy customers are your greatest source of learning.
我试图制作那些诚实且真实反映生活的电影。
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。
Marine conservation isn't about restricting fishermen—it's about ensuring they can keep fishing for generations.