—— 请按键盘 空白键 开始游戏 ——

Technology can be our greatest ally in ensuring sustainable fisheries, but only if we use it wisely.
大自然倾向于在她所有的作品中产生恒常性,但并不总是成功。
在经济学中,魔鬼往往藏在细节里。
The lithium-ion battery is something that has impacted the world in a very big way.