Common sense tells us that performance comes and goes, but costs go on forever.
大家互相钩，互相镶，就是互相残害啊！
The core of drones is not how high they fly, but how well they are used.
The more we learn about black holes, the more we realize how much we still don’t know.
没有战略的公司什么都会试一试。
The only way to get rid of a temptation is to yield to it.
