他因精通业务而被提升为经理。
我钦佩他精通业务，为人诚实能干。
I respected his professionalism, his honesty, and his ability.
因为艾姆斯干这行多年，所以他精通业务。
Imes knows his business because he has been in this line for years.
罗伯特精通业务，并对所有情况了如指掌。
Robert knows his business very well and has all the facts at his fingertips.
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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