Substitutable
[计] 可替换的, 可代替的
✅ 同义词
🗣️ 情景例句
Stop blaming yourself.
别责备你自己了。
She feels pity for him.
她同情他。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。