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

Various programs in the us which created anti-smoking AD campaigns and limitations of cigarette smoking in media have already been shown to be extremely effective.

在美国，许多抵制或限制烟草的节目已被证实是非常有效的。

youdao

Various programs in the us which created anti-smoking AD campaigns and limitations of cigarette smoking in media have already been shown to be extremely effective.

在美国，许多抵制或限制烟草的节目已被证实是非常有效的。

youdao