Let's imagine the behavior we want is the ability to add a bid to an item, but only if the bid is higher than all previous bids for that item.

让我们想象，我们所希望的行为是对一个物品添加报价的能力，但只当这个报价高于这个物品之前的所有报价。

youdao

Quality is too low, we need to make up for bid, and of course the quality degree is high, natural bid less also can obtain good rank, so it helps to save advertising effect.

质量度太低，就需要出价来弥补，当然质量度高了，自然出价少一些也能获得很好的排名，这样一来就起到了节约广告费的作用。

youdao

Quality is too low, we need to make up for bid, and of course the quality degree is high, natural bid less also can obtain good rank, so it helps to save advertising effect.

质量度太低，就需要出价来弥补，当然质量度高了，自然出价少一些也能获得很好的排名，这样一来就起到了节约广告费的作用。

youdao