—— 请按键盘 空白键 开始游戏 ——

Green and low-carbon development is not a multiple-choice question, but a must-answer question.
The laws of organization govern all mental processes.
出处:1876年3月10日,贝尔第一次通过他发明的电话在寝室向在实验室里的助手沃森说的一句话。
The pursuit of knowledge is a journey that never ends, and each discovery opens the door to new questions.
在沉默中,和惶恐不安作斗争。