This will be your maximum limit bid.

这就是你的投标上限。

Countries with ties to Antarctica have adopted US proposals to limit tourism in the region, in a bid to protect the fragile ecosystem of the continent.

南极洲周边各国采取了美国的建议，为了保护南极洲脆弱的生态系统而限制其周边地区的旅游。

Sealed bidding specifications or requirements cannot restrict, or limit unnecessarily and unduly the number of organizations submitting a bid.

密封投标规格和要求并不是没有必要的或过多的限制约束竞标者的数量。