We have three baskets for investing：yes，no，and too tough to understand.
"Every film is a documentary of its own making."
【释义】只有到了严寒的季节，才能看出松柏耐寒不凋的真正本色；只有在事情危难的时刻，才能分辨出朋友是真正的贤良还是虚假的仁义。
We must balance immediate energy needs with long-term sustainability goals.