Or at least,it is clear what your alternatives are; it's not clear which alternative would be any better.

至少就算选择明确;,哪个选择比较好的标准却不明确。

耶鲁公开课 - 死亡课程节选

And at the same time, you suggest an alternative.

与此同时，你建议另一种选择。

I'd rather 课堂 - SpeakingMax英语口语达人

It is--at least, it puts itself out there as a candidate to be an alternative term that one might use if one got tired of saying "irony" or "paradox."

如果“讽刺“，“悖论“一类的词,用的太多,可以用“朦胧“来替换“

耶鲁公开课 - 文学理论导论课程节选

But at some point in the eighteenth century, the mask seemed informally to acquire an alternative title, Comus, and it's as Comus that all readers since have almost always referred to the mask -- and this, of course, is a mistake.

但在18世纪的某个时候，《面具》似乎还有一个不太正式的名，《Comus》,因为《Comus》，后来读者都将它代指《面具》了,当然这是一个错误。

耶鲁公开课 - 弥尔顿课程节选