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 UID256475 帖子141 积分376 学分1059 个 金币105 个 性别女 在线时间25 小时 
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                 behalf  n. on behalf of sb/on sb's behalf; US in behalf of sb/in sb's behalf as the representative of or spokesman for sb; in the interest of sb 
 benefit  n.  profit; gain; future good (used esp with the vs and preps shown)
 
 bias  n.  opinion or feeling that strongly favours one side in an argument or one item in a group orseries; predisposition; prejudice
 
 bond  n.  written agreement or promise that has legal force; covenant
 
 brief  adj.  lasting only a short time; short
 
 bulk  n.  size, quantity or volume, esp when great
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