?自然服务
自然服务
Freshology's Mr. DeMann blames the fleeting nature of Twitter's service, and the 140-character limit on tweets, for stunting his company's messages.
WSJ: Small Firms Say LinkedIn Works, Twitter Doesn't
We're grateful to each and every one of you. (Applause.) Those Americans in uniform, it's clear the nature of their service.
WHITEHOUSE: President Obama and the First Lady Pack 15,000 Backpacks for Children of Our Troops | The White House
But he told BBC Radio Cymru there were concerns about the extent of the BBC Trust's power to determine the nature of the service.
BBC: and S4C agreement public consultation launched
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