This commercial firm operates wholesale business of world famous brand watches.

这家商店批发世界名表.

Functions of comprehensive commercial firm develop around saving business cost and well connected in operation practice, formulating superiority of comprehensive commercial firm step by step.

综合商社的五种功能均围绕节约交易成本展开，在经营实践中将这些功能融会贯通，逐步建立起综合商社的优势。

We analyzed functions and operation modes of Japanese comprehensive commercial firm to learn from them to solve above mentioned problems.

分析日本综合商社的功能及运作模式，以期在解决上述问题中得以借鉴。