If people type in "paroxetine" or "Paxil" -- those are synonyms -- and one of those words, if you already know that there's that "paroxetine" word.
如果人们输入paroxetine或Paxil —它们是同义词— 它们其中的一个 那么如果搜索者已经知道了 这个药物术语的话