While Google's core business is slowing, its new revenue initiatives, including display, mobile, and YouTube advertising, haven't ramped up, he said.

当Google的核心业务放缓时，包括展现式广告、手机、YouTube广告等新的收入来源还支撑不了大局。

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During a recession, protecting your core revenue base, the lifeblood of your business, must become your critical priority.

但在经济衰退时期，就一定要去保护自己的核心盈利基础，因为那是生意的生命线。

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No matter what the stage of business, however, at some point the core business must be able to profitably generate revenue.

但不管处于何种商业阶段，最终核心业务必须能够产生有盈利的收入。

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Google reversed the trend of slowing revenue growth in its core online-advertising business and posted a 6.7% increase in quarterly profit.

WSJ: What's News

Verizon Communications reported another round of stellar returns at its Verizon Wireless arm, more than offsetting a growing revenue hole left by its declining core local-phone business.

FORBES: Verizon Goes It Alone

Revenue growth for Marketplaces, its core -e-commerce business was around 11%. eBay competes primarily with Google, Square, Intuit GoPayment and other competitors in the payments space, and Amazon in e-commerce.

FORBES: PayPal Continues To Drive eBay's Growth As Mobile Payments Boom