抗議

我很肉緊的親親妹妹，今次她終於反擊了。雖然她未懂說話，但她利用聲音抗議我的行為。從她停頓和發聲的規律可見，她的「言語」是有針對性的，絕對是一種溝通。

Do you still believe "preschool children's speech is not really communicative" (Kohlberg, Yeager, & Hjertholm, 1968; Piaget, 1926)? I think my sister's message is quite clear: Go away, brother!