of for 問題

goods and service/for sale
"All of the commercial and industrial activities that seek profits by providing goods and services for sale" is not a complete sentence.
"All of the commercial and industrial activities seek profits by providing goods and services for sale." is.

In the above sentence, the words "goods" and "services" are used together to form the phrase "goods and services". In economics, goods and services can be purchased by people to meet their wants and needs. Goods are physical items that can be seen and touched, such as books, pens, salt, shoes, hats, and folders. Intangible services are provided by other people, such as doctors, lawn care workers, dentists, barbers and waiters.
The term "for sale" has the meaning of "available for purchase".
其實我用services of sale. 都可以?
In view of the above, "goods and services for sale" cannot be replaced by "goods and services of sale" to give the same meaning.

All of the commercial and industrial activities that seek profits by providing goods and services for sale.
Amendment:All the activities of commerce and industry are seeking for profits by means of sales of commodity and offering services.
實我用services of sale. 都可以?
Ans: services are duties or something being done to help , use and benefit another or others; whereas, sale means exchange of goods for money; act of selling something. In view of that, "services of sale" is not applicable.

All of the commercial and industrial activities that seek profits by providing goods for sale and services - Ok


The name of the building is ABC, which is for sale.

Let us answer your letter of yesterday.
Let us know what is best for you.
Could you show me the difference of mine and yours?

I hope that you know the difference of " of & for" after reading the said examples

要弄清楚 sale of XXX 與 XXX of sale 的分別
還有 preposition (of 和 for) 的用法

很少人講 goods of sale (~ 配搭錯)

sale/sales 的配搭
可以講 sale of goods, goods for sale, goods on sale, goods in a sale
volume of sales, conditions of sales, value of sales