本書為同系列的第三冊，以商業應用為主題。除了教授更多處境會話外，亦加插了銀行特別篇章，讓讀者進一步學習於香港居住時的常用詞彙。

The third volume of the same series, featuring Cantonese for Business usage. In addition to teaching more situational conversations, special topic – banking is added. This enables learners to study more common vocabularies in Hong Kong.