We heard it in other forms. And who are these? Where are the different countries? 这是个老问题了。中间这些人是谁？他们在哪些国家？ I can show you Africa. This is Africa. 10% the world population, most in poverty. 先看非洲。非洲占世界人
Please welcome newly appointed United Nations Messenger of Peace, Mr. Leonardo DiCaprio. 请欢迎新任联合国和平大使，莱昂纳多·迪卡普里奥。 Thank you, Mr. Secretary-General, your excellencies, ladies and gentlemen, and disting
He walked faster, right? 他走得快一点了，是吧？ I call this the staircase illusion, 我把它称为阶梯假象， and actually when the staircase illusion abruptly ended, he froze, and this is called freezing of gait. 实际上，当阶梯假象突然结
