The meaning of the sentence is very plain.

这句句子的意思十分清楚。

youdao

SOMETIMES a bit of insider jargon is very plain, but nonetheless signalling of insiderism.

有时，一些行话也是很简明易懂的，但尽管如此还是表现了一种内部主义。

youdao

There are two roads to get there. One is a straight path which takes you there quickly, but is very plain and boring.

现在有两条路，一条路是径直的，你可以很快到达你爱人的家，但沿途啥风景也没有。

youdao

That is a very plain and categorical statement.

BBC: Welfare Reform Bill part two

We do want to tell you that the Air Force is making this very plain this quote.

CNN: Gary Tuchman: No letup in coalition air campaign

From the opening page, he makes it plain that this is a very different book.

ECONOMIST: New fiction 1