I've always been taught that the wo

I've always been taught that the word 'staff' (as in employees of a company) is plural, so there is no such word as 'staffs'.

Just today, however, while editing a draft article, I came across the word 'staffs' being used in a sentence:

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Congratulations to the following staff who have passed all 3 modules of the certification course successfully:

-----

Making a research on the web to confirm the invalidity of the word 'staffs' I discover two contradicting versions of advice from two different English Expert sites.

ผลลัพธ์ (อังกฤษ) 2:

Always I've been taught that The Word 'staff' (As in employees of a Company) is Plural, So there is no Such As Word 'staffs'. Just today, however, while editing a Draft Article, I Came Across The Word. 'staffs' being Used in a sentence: ----- The following Congratulations to staff of The Who Have Passed all 3 Modules Certification course successfully: ----- Making a Research on The Web to Confirm The invalidity of The Word '. staffs' I discover two contradicting versions of advice from two different English Expert sites.