Decidability
其它 Other[計] 可判定性
??? 情景例句
If you're ever in Xi'an, look me up. I'd love to see you again.
如果你來西安，一定要來找我，我很想和你再見面。
How many bags are you going to get?
你要取幾袋？
They have also assumed that all animals, and probably other organisms such as trees,
人們不但認識到所有的動物，大概也認識到所有的有機物，如樹木，