fú wù tái tōng cháng huì wèn nǐ nǎ lǐ bù shū fu zài gào su nǐ guà shén me kē

服务台通常会问你哪里不舒服，再告诉你挂什么科。

The service desk usually asks where you feel unwell and then tells you which department to register for.