邊際報(bào)酬 marginal return

邊緣科學(xué) boundary science

便攜式電腦 portable computer; laptop；notebook computer

變相漲價(jià) disguised inflation

標(biāo)書 bidding documents

表演賽 demonstration match

剝奪冠軍 strip the gold medal of somebody

博彩（業(yè)） lottery industry

補(bǔ)缺選舉 by-election

不敗記錄 clean record, spotless record

不承諾放棄使用武力 not undertake to renounce the use of force

不打不成交 No discord, no concord.

不到長(zhǎng)城非好漢 He who has neven been to the Great Wall is not a true man.

不分上下的總統(tǒng)選舉結(jié)果 the neck-and-neck presidential election result

不可再生資源 non-renewable resources

不良貸款 non-performing loan

不夜城 sleepless city, ever-bright city

不正之風(fēng) bad (harmful) practice; unhealthy tendency

布達(dá)拉宮 Palata Palace

步行天橋 foot bridge