mass public transportation meaning in Chinese

大量公共运输

Thanks to rotary ' s assistance , polio campaigns also are now looking at ways to incorporate a strategy for immunizing people on mass public transportation , which in large cities can account for hundreds of thousands of people at a time
由于扶?的协助，根除小儿?痹运动现在也在设法推动在大众运输工具为人免疫的策? ，在大城市?这意味著一次可接触到?十万人。