Traditional economic analysis is premised on the assumption that more is better.

　　傳統的經濟分析是以多多益善的設想為依據的。

　　His actions were based on a false assumption.

　　他的行為基于錯誤的設想。

　　We are working on the assumption that everyone invited will turn up.

　　我們假定了每一個人都會應邀出席并正就此作出安排。

　　Implicit in his speech was the assumption that they were guilty.

　　他話語中的言外之意是設定他們有罪。

　　We are working on the assumption that it was a gas explosion.

　　我們假設這是一場燃氣爆炸事故。