動産 どうさん担保 たんぽ証券 しょうけんじゃなかったです
fudōsantamposhōkenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 不動産担保証券

1. Wasn't real estate-backed securities.; Wasn't a real estate collateralized debt obligation.

Past/Perfective
Negative
Polite
Casual Register