It had no beginning and no end.

它没有开始也没有结束。

youdao

What has no beginning and no end?

什么没有开始、没有结束？

youdao

It has no opposite; no beginning and no end.

它没有对立，无始无终，只是如此。

youdao

That chain is in a circle that goes round and round, with no beginning and no end.

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