我们偶尔聊天，但我从未真正感觉我们志同道合。

We chatted occasionally, but I never really felt we ___were ___on ___the ___same ___wavelength.

我们想法一致，因此开始了我们自己的研究。

We ___were ___on ___the ___same ___wavelength and we therefore started our own research.

尽管背景不同，他们在讨论中立即产生了共鸣。

Despite their different backgrounds, they immediately ___were ___on ___the ___same ___wavelength during the discussion.