当你有一个好的研究设计时,数据会自己说话。
When you have a good research design, the data can speak for itself.
"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."
Think differently, but execute precisely.
你必须能够适应不断变化的市场条件。如果你不能适应,你就无法生存。