English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
Avoid the S’s
He appeared ~out of the blues~ to claim the child (nonstandard).
He appeared *out of the blue* to claim the child (standard).
If something happens out of the blue, it happens unexpectedly.
Continue to seek ~feedbacks~ from your customers (nonstandard).
Continue to seek *feedback* from your customers (standard).
Feedback is an uncountable noun. If you get feedback on your work or progress, someone tells you how well or badly you are doing, and how you could improve.
GAB
