The big disadvantage of this ad hoc approach is that it can be extremely slow, and it will be expensive if you do a lot of searching.

这种特别方法的 最大缺点在于速度特别慢，而且如果进行许多次搜索的话，成本很高。

youdao

For quite a while this was masked by the growth of the audience share, followed by an ever-growing ad-dollar share, until, about two years ago, things started to slow down.

在相当长一段时间内，由于读者份额的增长，这一点被掩盖了，其次是不断增长的广告美元的份额，直到大约2年前，事情开始放缓。

youdao

Conclusions Natural deterioration of cognitive function and activities of daily living in patients with mild to moderate degree of AD is slow.

结论轻至中度AD病人认知功能和日常生活能力是缓慢减退的。

youdao

As Facebook further penetrates these markets, the overall growth will slow down and the impact of ad pricing change will be more visible.

FORBES: Facebook Survives Earnings Scrutiny With Ad Growth And Expansion Efforts

However, in developed markets, the company saw a significant improvement in pricing, and as Facebook matures, the overall growth rate will slow and the impact of the ad pricing change will be more visible on overall revenue growth.

FORBES: All Eyes On Facebook's Mobile Growth And Graph Search Progress

The ad industry has been slow to warm to the notion that they still need to pay top dollar to advertise in the tablet editions of magazines, even though much cheaper website ads are just a finger-swipe away.

WSJ: Time spin-off highlights risks facing magazines