The future of aquaculture lies in sustainable development and environmental protection.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
解释:大部分鸟类都是雄性的,而雌鸽却是雌性的,说明了鸟类性别的特殊性。
金融发展的关键不仅在于拥有更多的金融工具,还在于拥有支持这些工具的适当制度。
"In the silence of reading, the loudest voices of humanity can be heard."