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Both of these translate to "well then", for example, both would be valid:

> じゃ、またね！

_Well then, bye!_

> じゃあ、パンをください。

_Well then, the bread, please._

They are both more casual than でわ for example:

> でわ、さよんなら。

_Well then, goodbye._

But which is more commonly used? Are there any nuances between them?
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2020-01-06T23:10:56.107
73771
2020-01-06T23:56:24.687
35377
question
word-choice word-usage
じゃor じゃあ for meaning "well then"
`でわ` is an incorrect form (it's written `では` instead).

In terms of nuance, `じゃ` or `じゃあ` are very colloquial (whereas `では` is not).

`じゃ` is a bit more "light" IMO. As in, it can just be a filler. For example,
`じゃ、バイバイ！` just means "Right, bye!".

`じゃあ` means it has real semantic meaning - for example, `じゃあ、バイバイ！` means "In
that case, bye!". For example it can express annoyance
(`え、持ってきてくれなかったの？じゃあバイバイ！`), or emphasize you are doing something _because of_
something (`え、いらないの？じゃあ、もう一つ食べようかな (otherwise I wouldn't have)`).

They are really close in meaning though (e.g. it'd be the same meaning if you
said `え、持ってきてくれなかったの？じゃバイバイ！` or `え、いらないの？じゃ、もう一つ食べようかな`).

では is more formal (e.g. `では、授業を始めます`, `では、さようなら`), and it would be odd to use
it in a colloquial way (for example, it's slightly odd to say `では、バイバイ！`). In
terms of meaning it's closer to `じゃ` (as opposed to `じゃあ`).

All three have very similar meanings though.
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2020-01-06T23:46:16.503
73772
2020-01-06T23:56:24.687
2020-01-06T23:56:24.687
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answer