Loyalty, Walker says, is measured in recency, frequency, and value.

忠诚度，Walker认为是通过最近消费，消费频率，和产生价值3方面来衡量。

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“Here I am lumbering along to catch up, while she has so much energy, ” Walker says.

而沃克说，“我在这儿步履蹒跚地试图跟上形势，而她却好像有用不尽的能量。

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This may be because girls are better at talking about problems or are more likely to take on a caregiver role, Padilla-Walker says.

这也许是因为女孩们更善于谈论问题，或者是因为女孩们更有机会扮演关怀者的角色，帕蒂亚-沃克说。

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Professor Walker says there are many good reasons for using straw.

VOA: special.2009.10.05

Professor Walker says straw takes in carbon dioxide as it grows.

VOA: special.2009.10.05

Professor Walker says this reduces home operating expenses.

VOA: special.2009.10.05

Expansion into other markets is still the long-term plan, Lenovo spokesman Reid Walker says.

FORBES: Magazine Article

"I'd rather take that money and fix Wisconsin's crumbling roads and bridges, " Mr. Walker says in the ad.

WSJ: High-Speed-Rail Costs Irk States

"It's really exciting because you know you've done a good job, " Walker says.

CNN: Haunted houses thrive in scary economy