@Gimmy
i guess if u use a few "decade" it will be 10 20 30 year
but if u use a few tens of years it will be 10-19 year i guess he's use that to reduce the range of how many years she mention
lemme dig raw real quick
in raw she say "Tsuchi sunenmae nani mo oboetenai"
and google translate say "i can't remember anything a few years ago"
yeah i just some weeb shit who can't read and translate japan that well so i can do up to this point