I try to understand the place, its memory, its light, its materials, and then I try to find the right answer.
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。
【释义】当商品价格高涨时,要像对待粪土一样迅速出售;当商品价格低廉时,要像对待珠玉一样大量购入。