以上来源于: WordNet
Events that start tension headaches may include emotional pressure and the deeper than normal sadness called depression.
VOA: special.2010.03.30
Walkers may donate their own money or raise money from friends and family members or fund-raising events.
VOA: special.2009.11.02
The events of May 6 triggered an investigation as to whether the feverish sell-off stemmed from a computer glitch or market manipulation.
VOA: standard.2010.05.20
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