—— 请按键盘 空白键 开始游戏 ——

水产养殖实践的透明度建立了与消费者和利益相关者的信任。
As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
Science has no borders, but scientists have a motherland, we must contribute to the development of national agriculture.