徒劳往返 meaning in Chinese

make a futile [fruitless] journey [trip]; hurry back and forth for nothing; make a trip in vain [a vain trip]

His secretary called him on his prototype mobile phone as he was getting into his car to drive to a meeting to say that it had been cancelled ? thus saving him from a wasted journey
当时他正上来要去参加一个会议，他的秘书打电话到他的移动电话原型上说会议已被取消，免去他徒劳往返一场。
Computer integrated techniques are employed to accept and handle , in person , all inquiries and complaints . it helps to free you from telephone transfers or traveling to report problems . your needs and or your complaint will be taken care with just one call
除集中用户来电并全程录音，藉由整合电脑与电话技术，专人轮值受理查询申告，减少徒劳往返或多次转接的不便，一次满足您的需求，任何用水的大事小事，只要您拨打服务专线，就对了！