This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? October 15th is Global Handwashing Day. And public health officials are hoping to highlight hygiene concerns across the globe. One country that needs a hand with was...
Ann. 陈豪是在北京的美国ABC公司工作的年轻人。他今天到外面办事刚回来。一回到办公室就急着去找美籍华人Mary 。 (Office ambience) C: 嗨,Mary,我刚才去我们的会计公司。接待我的那位先生身上...