而理论上，这种交易是讲不通的。

In theory the trade made little sense.

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从理论上讲，互动广告可以吸引观众，而30秒的广告不行。

In the theory, interactive advertising can engage viewers in a way that 30-second spots do not.

youdao

尽管理论上大家反对撒谎，而实际上大多数人或多或少会这么做。

All are against it in theory, but in reality, most practice it to some degree.

youdao

And these tree trunks were the chords and at the base of each of these chords at least conceptually, theoretically, is this thing called the root.

这些树干就是和弦，而每个和弦的底部，从理论上说，就是被称为根的东西。

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Logically speaking, you could believe some of these things and not all of them.

理论上来讲，你可以相信一部分而不是全部。

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