For things that have had contents with volatile oil like thinners they should be left for a few days to completely evaporate it before being disposed of as non-flammable waste.
百歳の誕生日の数日前になくなった。
彼女は数日前に旅行に出かけた。
彼女は数日間そのホテルに滞在した。
She stayed at the hotel for several days.
彼女はそこに数日滞在した。
She stayed there for several days.
彼らは数日前に旅行にでかけた。
They went on a trip a few days ago.
彼は友達の車を数日間借りた。
He borrowed his friend's car for a few days.
彼は数日前に旅行に出かけた。
He went on a journey a few days ago.
彼は数日間休暇を取っている。
He is off work for a few days.
彼は数日間意識不明であった。
He was unconscious for several days.
彼は数日おきにここに来る。
He comes here every few days.
数日留守にします。
I am leaving town for a few days.
数日後になって初めてその悲しい知らせを聞いた。
It was not until a few days later that we heard the sad news.
数日後、彼はやってきた。
A few days later, he came.
数日後、彼には知性が欠けている事に彼女は気付きました。
After a few days, she realized that he lacks in intelligence.
数日間暑い日が続いた。
The weather stayed hot for a few days.
数日間雨が降り続いた。
It rained for several days on end.
数日間ここを離れるべきだと思います。
I think we should get away from here for a few days.