transactional law指的是法律事務(wù)，泛指與法律有關(guān)的事物。

而commercial law指商業(yè)法，專指在商業(yè)方面的法律。例句：transactional law1、Any transactional law rules in real estate law come from the ancient English commonlaw. 美國房地產(chǎn)交易的諸多規(guī)則皆源自古老的英國普通法。

2、The clients' identity materials and transactional information as acquired by the judicial organ according to the present Law shall only be used in the criminallitigation on anti-money laundering. 司法機關(guān)依照本法獲得的客戶身份資料和交易信息，只能用于反洗錢刑事訴訟。commercial law1、Modern market economy, the urgent need of independent commercial law.現(xiàn)代市場經(jīng)濟的發(fā)展，迫切需要商法的獨立。

2、We are experienced american attorneys with expertise in various aspects of business and commercial law and litigation. 我們是一批富有經(jīng)驗的美國律師，精通商業(yè)，商法和訴訟的各個方面。

3、Based on this, it analyses the boundary of civil law and commercial law, and investigates the legislation mode of civil law and commercial law. 并以民法商法化為切入口，分析了民法與商法的界限，對民法和商法的立法模式作了簡要的探討。

4、It should be achieved primarily by the commercial law to regulate the market economy. 對市場經(jīng)濟的法律調(diào)整主要應(yīng)當(dāng)是由商事法律規(guī)范來實現(xiàn)。