The PT-03s have a little more room up front, not quite half a size bigger; more like a quarter size.

PT-03 的前面部分有点宽松，不过并没有大半码那么多，差不多大四分之一码吧。

youdao

The PT-03s have a little more room up front, not quite half a size bigger; more like a quarter size.

PT-03 的前面部分有点宽松，不过并没有大半码那么多，差不多大四分之一码吧。

youdao