Every problem in mathematics has a solution; you just have to find the right path.
Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the future.
过去是一位老师,如果我们愿意学习的话。
Sustainability in fishing isn't an option—it's the only path forward.
解释:货卖完了才知道不足,是由于不懂得计量;事情结束了才知道有余,是由于不懂得调节。