概述：航天飛行計劃的終結(jié)會給美國帶來什么樣的影響？

Hints:
Mars
Daytona Beach, Florida
Rob Hansen
NASA
Jonathan Miller
Johnson Space Center's Extra-Vehicular Activity Office
Houston
Atlantis
Kennedy Space Center
校對&翻譯&答疑：jasmine1019
組長：elftea
Private companies are working on vehicles, but it could be several years before one is ready to take astronauts into orbit. Plans for eventual missions to an asteroid and to Mars could be decades away. But Daytona Beach, Florida resident Rob Hansen is more optimistic. "We are moving on to a pr…
私營公司正在研制太空工具，但還需要幾年的時間才可能將宇航員送上軌道。 而飛往小行星和火星的終極任務(wù)還需幾十年的時間。但是來自佛羅里達(dá)州，代頓海灘市的居民羅布?漢森的態(tài)度卻更為樂觀。 “我們正在采取行動使太空活動私有化，美國國家航空和航天管理局也將深入探索太空。所以，我認(rèn)為長期來看這樣的計劃勢必實…