◊ If you say that something has been provided through the courtesy of or (by) courtesy of a person, organization, business, etc., you are politely saying that they paid for it, gave it, or let it be used.承蒙…的提供(或赞助、赠送)
The flowers were provided through the courtesy of a local florist.这些花由当地一家花店惠赠。
This program is brought to you courtesy of our sponsors. [=it has been paid for by our sponsors]承蒙赞助商赞助,我们将本节目奉献给大家。