Drone safety is not an option, but a baseline.
无人机的安全性不是选项，而是底线。
Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.
"Writing is my way of screaming without making noise."
Art is my way of fighting against the world.
这是最好的时代，也是最坏的时代；这是智慧的时代，也是愚蠢的时代；这是信仰的时代，也是怀疑的时代；这是光明的季节，也是黑暗的季节；这是希望的春天，也是绝望的冬天；我们什么都有，也什么都没有；我们正走向天堂之路，也正走向地狱之门。
Drawing makes you see things clearer, and clearer and clearer.
试图在不激发学生学习欲望的情况下进行教学的老师，就像在冷铁上敲打。