2. But I know that an anime film runs smack into the almost
immutable conventions of its genre.
但我知道这动画影片在类型上不偏不倚地跑入一个几乎不变的惯例。
3. A mathematical structure is an abstract,
immutable entity existing outside of space and time.
数学结构是一种抽象、不可变的实体,超脱于时间与空间之外。