在电脑键盘上有许多特殊符号。

Zài diànnǎo jiànpán shàng yǒu xǔduō tèshū fúhào.

There are many special symbols on the computer keyboard.

文字中的标点符号很重要。

Wénzì zhōng de biāodiǎn fúhào hěn zhòngyào.

Punctuation marks in text are very important.

音乐谱中的符号告诉演奏者如何演奏。

Yīnyuè pǔ zhōng de fúhào gàosù yǎnzòuzhě rúhé yǎnzòu.

Symbols in sheet music tell the performer how to play.