“已成定局”在英語口語里能怎么說？
    蹩腳口語：be settled
    地道口語：here to stay
    口語來源：奧斯卡熱門《第九區(qū)》
    劇情引導(dǎo)：
    不知從哪里來的巨大飛船，人們打開艙門后發(fā)覺了其中有好多慘不忍睹的外星人。他們就此在地球上駐扎了下來，卻耗費(fèi)大量人力物力。專家們說，外星人回不去了......
    - they're spending so much money to keep them here when they could be spending it on other things. but at least at least they're keeping them separate from us.
    - i wanna be realistic with everyone. the aliens will not be able to go home.
    - the aliens are here to stay.