ないんです

don't have; isn't

→ 無い
phrase Rare #36,976
don't have; isn't A polite, explanatory way to say that something is absent or unavailable, or that someone does not have something. The exact English translation depends on context.
JA: 今日は時間がないんです。
EN: I don't have time today.

彼らの言葉が、私たちにはないんです。

We don't have their words.

今は手元にないんです

I don't have it with me right now.

— 自転車泥棒 (1948)

この辺の子どもたちは泳ぐチャンスがあんまりないんです。

The children around here don't get many chances to swim.

自信ないんです

I'm not confident.

— 鏡 (1975)

イチゴのアイスは、ないんですよ。

There isn't any strawberry ice cream.