No.8 Do remember emojis are shown differently on different devices.
第八，要記住不同的設備上的表情符號是不同的。

Just take a look at the emojis carefully before sending it to others. Sometimes, you intend to send "Face with Tears of Joy" but send "Sob" instead.
發表情前記得看仔細。有時，你想發的是“笑哭了”，結果發成了“流淚”。