The principle here is that there is a fixed day every week for worship.

这里有一项原则，那就是每周有固定的一天，是作为崇拜而设立的。

youdao

However, the Autumn Equinox is not a fixed day and there may or may not be a full moon on that day.

然而，每年秋分的日子都不同，在秋分不一定有圆月。

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There are so many great men and women of God in Church history, how many saints would we commemorate on a fixed day?

教会历史中那么多的伟人，而在固定的日子被记念的圣徒有多少呢？

youdao

Whether one dog or a hundred dogs are sold in a day, the fixed costs will be the same.

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Guests will usually be asked to leave before 6 pm or 7 pm so the rooms can be readied for overnight visitors, and the hotel will not normally offer an hourly rate, just a fixed price for the day.

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German Chancellor Angela Merkel, who has already rejected calls for further public money to be spent on economic stimulus packages, has dampened expectations for the summit, saying over the weekend that the economy could not be fixed in a day.

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