Was it, World's Fair opens in Chicago, Grover Cleveland elected president, first private telephone installed or New York requires license plates?

是世界博览会在芝加哥开幕, 格罗弗·克利夫兰当选为总统, 第一部私人电话成功安装还是纽约要求汽车牌照?

In this way, he has begun his own private 'telephone' service.

就这样，他开始了自己的私人“电话”服务。