it is preferable to use the Pinyin with tones . Only use the Pinyin without tones if there's no other option (e.g. writing a text message from/to a mobile phone that doesn't support special characters such as ，。
). ， ， Chinese Pinyin example sentence with ( zaoshang / zoshang ) Writing in Pinyin Before using this Pinyin example sentence。
， consider that Chinese characters should always be your first choice in written communication. If you cannot use Chinese characters。