The phrase "portion of customers" is correct and usable in written English.
You could use it to refer to a specific group of customers who form part of a larger group. For example, you could write "The new discount offer is only applicable to a limited portion of customers."
And over the last three years, the utilities have delivered -- on the portion of customers' bills that covers the cost of delivering power to homes and businesses.
The adjustment applies only to the distribution portion of customers' electric bill, the roughly 25percentthatat pays for delivering electricity to a home or business.
The decline might have been steeper, Mr. Laws said, had Chrysler not devised a special deal to attract new customers, offering to pay a portion of customers' fuel bills instead of giving them an ordinary rebate.
Tera Randall, a representative for Amazon, said in an e-mail that the problems only involved one zone of the company's service and were affecting "a portion of customers in that zone".
The best place to start is with devoted customers, but our experience suggests that by finding the right reward (such as discount or loyalty points), stores can convince a significant portion of customers to participate.
AT&T and Time Warner's attorney, Daniel Petrocelli, said Shapiro based much of his analysis on a flawed assumption: that a substantial portion of customers belonging to AT&T's rivals would switch away from their TV providers if they were unable to watch Time Warner content on those networks or if they had to pay more for it.
The trustee's estimate represents a significant portion of customer funds held by MF Global.
[But] we've already shifted a significant portion of customer behavior".
It's already being applied by businesses across the globe in a variety of ways, from automating a portion of customer communications to determining product/market fit.
Ross referenced the engagement iceberg, where he observes only a small portion of customer conversations and engagement as truly visible, with most occurring beneath the water line and thus, out of view.
"The main reason for this increase is due to the significant rise in global gas costs, which make up the largest portion of customer bills, since the tariff was last set earlier this year in April.
