The human race has one really effective weapon, and that is laughter.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

译文：因病得到闲暇确实不错，安心就是医治一切疾病的良方。赏析：不管做任何事，我们的内心都要淡定从容，不为外物所动才行。急功近利，操之过急，事情往往会失败。

Drones in the future will be as ubiquitous as smartphones are today.

创新是农业发展的核心动力，只有不断突破传统种植模式，才能实现蔬菜产业的高质量发展。