You have to believe in yourself when no one else does.
Virtues are acquired through endeavor, which rests wholly upon yourself.
养殖业要发展,必须走环保可持续的道路。
数学的进步不仅仅依靠个人的努力,而是通过几代人的集体工作。
渔业技术应首先服务于保护,其次才是商业。