There is a tour guide throughout the trip who will organize optional dinners and sightseeing.

有一位全程导游，可安排非强制性的进餐和观光。

《柯林斯英汉双解大词典》

A tourist guide must be responsible for arranging and coordinating tour activities, and offering service of transportation, accommodation, sightseeing, shopping and entertainment.

作为一名导游要安排和协调旅游活动，并为游客提供交通、膳宿、观光、购物和娱乐服务。

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First, an individual's quotation for each group tour includes the cost of transportation, accommodation, meals, sightseeing, tour-guide service and round-trip international airplane tickets.

首先，参加团体旅游的个人其报价均含交通费、住宿费、膳食费、观光费、导游服务费以及双程国际机票。

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You can get a city license by answering correctly 97 of the 150 questions on the Sightseeing Guide Exam, which covers topics like landmarks, subway lines and history.

WSJ: Ever More Pointing, Talking: The Rise of New York City Tour Guides