Many college students act as guides during their summer vacation.
许多大学生在暑假里担任导游。
They always act as tourist guides.
他们总是当导游。
"Friends can act as free guides, offer me free accommodation and give me valuable tour information, which saves money, time and energy, " he said.
葛睿表示：“朋友既能充当义务导游，又能提供免费住宿，还可以为我提供有用的旅游信息，真是省钱、省时、省力。”
The following guidelines underlie many of the more specific criteria for evaluation which will be found later in this book and act as useful guides in approaching any materials evaluation exercise.
以下指南强调许多有关评价的详细标准，这些你都能之后在这本书中找到，并当作探索任何材料评估锻炼的有用指南。
For example, the median tubes in the fork crown act as housing guides.
例如，中间管叉冠作为住房指南。
For example, the median tubes in the fork crown act as housing guides.
例如，中间管叉冠作为住房指南。
应用推荐