When you have Japanese sandos or if you see them at the store, they're usually without the crusts.

如果您有日本桑多斯，或者如果您在商店看到它们，它们通常没有外皮。

Traditionally, Japanese sandos use this for their egg salad or their katsu sandwiches.

传统上，日本三明治将其用于鸡蛋沙拉或炸猪排三明治。