你需要精通业务的专业人士，他们与那些“婚礼策划师”不可同日而语。
You want professionals who know how to get things done, which is very different from the "wedding planners."
有些精通业务的医生和研究人员—虽然这些人不多，并且人数在进一步减少—不那么肯定吸卷烟对人体健康有影响。
Some competent physicians and research workers-though their small number is decreased even further-are less sure of the effect of cigarette smoking on health.
有些精通业务的医生和研究人员—虽然这些人不多，并且人数在进一步减少—不那么肯定吸卷烟对人体健康有影响。
Some competent physicians and research workers-though their small number is decreased even further-are less sure of the effect of cigarette smoking on health.
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