1.Many high profile companies are calling for gun control and are cutting ties with the powerful NRA lobby group.
call for 要求;提倡
These are matters which call for some statistical sophistication.
這些工作需要某些精湛的統計技巧 。
2.An NRA spokesman hit back at the companies.
hit back 回擊;報復
In a TV interview she hit back at her critics.
她在接受電視采訪時, 反駁了那些批評者的觀點.