先行 せんこう しゃ利益 りえきじゃなかったです
senkōshariekijanakattadesu

Noun
Desu Copula

The polite, past negative form of 先行者利益

1. Wasn't a pioneer/forerunner.; Wasn't advantageous.

Past/Perfective
Negative
Polite
Casual Register
Business