“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



【影視實例】
影視來源：奧斯卡熱門《第九區(qū)》
劇情引導：
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.

除《阿凡達》外2010年要去電影院看的電影