Because of this, some people propose adopting a "reasonable bid" system-that means selecting the bidder who comes closest to the estimated cost of the project.
為此，有人建議採「合理標」，舉例而言，一個工程預計一百萬，有人標九十九萬，有人標八十萬，最後九十九萬可得標，因為他的價錢比較接近估價，這叫「合理標」。