The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
The future of forestry lies in balancing economic needs with ecological responsibility.
安全总是过度的,直到它不够为止。
蓬勃发展的企业将是那些将环境挑战视为机遇的企业。