es eso

listen to the pronunciation of es eso
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that's it
Finished. There is nothing more to the issue. That's all

So, that's it? I thought there would be some more.

Yes!, exactly!, bingo!

A bright idea came into Alice’s head. “Is that the reason so many tea-things are put out here?” she asked.“Yes, that’s it,” said the Hatter with a sigh: “it’s always tea-time, and we’ve no time to wash the things between whiles.”.

this is it, so, thus; that's the thing, it's like this, it's like that, that's the way it is