commerce可以加s吗（commercial和commerce的区别）

可以，commerce是可数名词

commerce

美 /ˈkɑːmɜːrs/

英 /ˈkɒmɜːs/

n.

贸易；商业；商务

复数 commerces

I majored in electronic commerce in my graduate program.

我研究生主修的是电子商务。

This commerce model is gradually becoming the main pattern of economic cooperation between the two countries.

这种贸易模式正逐渐成为两国的主要经济合作模式。