営団えいだん

eidan

1. Not a Teito Line employee.; Not related to the Teito Line.

1. Was operated by Teito/Tokyo Metro.

1. With the transportation bureau; In the transportation system

1. Of/related to the Teito Rapid Transit Authority (TRTA); Of/related to the Tokyo Metropolitan Government (depending on context)

1. Not a Teito Line employee.; Not affiliated with Teito.

1. It's not Eidan.; I'm not with Eidan.

1. Was affiliated with the Teito Rapid Transit Authority.

1. Eidan desu;

1. Not a member of the Teito Rapid Transit Authority.; Not affiliated with the Tokyo Metro.

1. Wasn't Eidan.; Wasn't operated by Eidan.

1. Probably…; It will likely be…

1. Was not a member of the Teito Rapid Transit Authority.; Was not employed by the Tokyo Metro.

1. Wasn't operated by Teito/Tokyo Metro.; Wasn't run by Teito/Tokyo Metro.

1. Probably.; Likely.

1. Was not a metropolitan enterprise.; Was not operated by Teito.

1. If/when operated by Teito/Tokyo Metro; If/when run by Teito/Tokyo Metro

1. If/when it were the Teito Line; If/when it was the Teito Line

1. If/when Keidan; If/when the company