If something is expendable, people do not need it enough to keep it or save it. They can use it up, throw it away, or lose it, and the work still goes on. Gloves and batteries can be expendable: you use them and get more.

If something is expendable如果某樣東西是可消耗的（expendable） people do not need it enough就代表人們對它的需要不夠大 to keep it or save it不會想留著或保存它 They can use it up, throw it away, or lose it人們可以把它用完、丟掉，或弄丟 and the work still goes on工作還是會繼續下去 Gloves and batteries手套和電池 can be expendable可以是可消耗的（expendable） you use them and get more你用掉了就能再拿新的

Though actually, the colder and more famous use is about people. If a boss, an army, or a film treats someone as expendable, it means that person can be sacrificed — losing them is treated as acceptable. You will also hear it as a noun: the expendables are the people or things put in that throwaway role.

Though actually不過其實 the colder and more famous use比較冷酷、也更有名的用法 is about people是用在「人」身上的 If a boss, an army, or a film如果老闆、軍隊，或電影 treats someone as expendable把某人當作expendable（可犧牲的） it means that person can be sacrificed意思是這個人是可以被犧牲掉的 losing them is treated as acceptable失去他被視為是可以接受的 You will also hear it as a noun你也會聽到它當名詞用 the expendables這個詞 are the people or things指的是那些人或東西 put in that throwaway role被放在那個用完就丟、可犧牲的角色裡

On a supply list the word can sound calm. About a human being it sounds cruel, and that jump is the point.

On a supply list在補給清單上 the word can sound calm這個字聽起來可以很平靜 About a human being講到一個人的時候 it sounds cruel這個字聽起來就很殘忍 and that jump is the point而這個落差正是重點所在