Translation of "Alternative" in Chinese

They had no alternative but to retreat.

他们不得不后撤。

We have the alternative of death and submission.

我們要選擇是死亡還是臣服。

Don't include multiple alternative words inside the same sentence.

在同一句中不要包含多个可选单词。

Don't change sentences that are correct. You can, instead, submit natural-sounding alternative translations.

请勿更改没有错误的句子。请添加一个新的更自然的翻译。