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South Korean companies were listed among the top 10 brands for customer loyalty in the U.S. this year. According to a survey by IT market researcher Brand Keys, released on Sunday, Samsung Electronics climbed three notches from last year and was placed third in the '2019 Loyalty Leaders 100'.


1) According to a survey by IT market researcher Brand Keys, released on Sunday, Samsung Electronics...


2) According to a survey by IT market researcher Brand Keys released on Sunday, Samsung Electronics...


1) a survey released on Sunday

2) a survey, released on Sunday


I have seen both styles and know the difference between them.

essential information for #1

additional information for #2


And then someone intends #1, which is without a comma one, but I understand #2, which is with a comma one.


Does it cause big trouble?


What do you native English speakers think?


I hope I hear from you. Thank you so much.

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Hans51Does it cause big trouble?

No. But it is better to say what you really mean.

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Hans51Does it cause big trouble?

No. A comma, or the lack of one, does not often cause trouble unless it's part of the text of an international treaty, of important legislation, or of a similar kind of official writing.

CJ