http://img2.ph.126.net/Vl2N-kY7YARlz7CFYJ02ig==/2836986290284182317.gif
Hundreds of people are _ now , so there are about 50 people trying for the same position.
http://img2.ph.126.net/AkT_7EW-RxdSAd1dV9qw7w==/2419277424838113332.gif
HTTP中文意思是
Hub指的是( )。