所有财富都是劳动的产物。
And when his audience grew bored, he would spring into the air and do a back flip with a half twist.
当他的观众感到无聊时,他会跳到空中,做一个半扭的后空翻
优化是在给定约束条件下做出最佳选择的艺术。
质量是企业的生命,是品牌的基础。
创新不仅仅是技术问题;它关乎心态和挑战现状的意愿。
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.