我增加了打印到标准输出的语句，但是为什么不采用一个更加成熟的日志机制来记录文件上载的时间和地点？

I added statements to print to standard out, but why not use a more sophisticated logging mechanism to keep track of which files have been uploaded and when?

youdao

我增加了打印到标准输出的语句，但是为什么不采用一个更加成熟的日志机制来记录文件上载的时间和地点？

I added statements to print to standard out, but why not use a more sophisticated logging mechanism to keep track of which files have been uploaded and when?

youdao