A person needs to walk how many roads to become a real person.
一个人要走过多少路，才能成为真正的人。
The beauty of computer science lies in its ability to model and solve real-world problems.
我们必须始终将工人的安全和福祉置于首位。
跨行业合作是解决我们今天面临的重大挑战的关键。