我们可以在办公室穿喜欢的衣服，只要合理。

We can wear what we like to the office, ___within ___reason.

尽管这个观点可能显得苛刻，但我认为它是合理的。

Although this view may seem harsh, I believe it is ___within ___reason.

经理同意了提议，前提是它合理。

The manager agreed to the proposal, provided it was ___within ___reason.