从谢成（音译）手中厚厚的火车票票根来看，他一定去过好多地方。
Judging from his pile of train tickets , Xie Cheng must travel a lot .
谢成说：工作量很大，大多数时间我们都会加班到晚上。
The workload is huge and we work late into the night on most days , said Xie .
谢成