我喜欢跳舞。我喜欢动起来。我喜欢表演。我喜欢娱乐。
数学是一门活生生的学科,随着新思想的出现而不断发展。
Depression is the inability to construct a future.
有怒气要尽力消化,有过错要仔细检讨。
Collaboration across borders and industries is the key to solving the energy challenges of our time.