@pedrouid Where did this attitude that they are substitutes come from?
They solve different problems!
@pedrouid 这种他们是替补的态度从何而来？
他们解决不同的问题！
@pedrouid Where did this attitude that they are substitutes come from?
They solve different problems!
@pedrouid 这种他们是替补的态度从何而来？
他们解决不同的问题！