Perhaps they're working hard—they don't appear to be very studious here, but they are very friendly.

也许他们工作很努力——他们在这里似乎看上去不太用功，但他们很友好。

youdao

Perhaps they're working hard—they don't appear to be very studious here, but they are very friendly.

也许他们工作很努力——他们在这里似乎看上去不太用功，但他们很友好。

youdao