You need to protect revenue, but you also need to control operating expense.

您需要保护收入，更需要控制运行开支。

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In the most recent quarter, for instance, total revenue rose just 3.4%, but due to operating expense control operating income rose 4.0%, net income rose 9% and net income per basic share rose 11.3%.

FORBES: Connect

Operating margins improved in the third quarter thanks to expense control measures in the company's stores.

FORBES: Magazine Article