Innovation in fisheries must balance economic growth with ecological preservation.
渔业创新必须在经济增长和生态保护之间取得平衡。
数学中的每一个问题都是学习新东西的机会。
The more you give, the more you get back.
Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something, return it better shape (filled up, cleaned) than when you got it.