好的研究关键不仅在于方法,还在于问题的清晰性和数据的质量。
All happy families are alike; each unhappy family is unhappy in its own way.
真正的问题不是气候是否在变化,而是我们能以多快的速度适应以及能适应多少。
When I stand before thee at the day's end thou shalt see my scars and know that I had my wounds and also my healing.