book

书，书籍；本子，工作簿；[pl.]账目；预订，预约

【例】Catherine has helped me book a three-star hotel in advance.

凯瑟琳已经提前帮我预订好了一家三星级宾馆。

bookkeeper

簿记员

【例】The bookkeeper figured well.

这位簿记员擅长计算。

booklet

小册子

【例】The newly published booklet breaks down into three parts.

这本新出版的小册子分成三部分。

boom

（营业额等的）激增，（经济等的）繁荣，迅速发展；隆隆声，嗡嗡声；激增，繁荣，迅速发展；发出隆隆声

【例】Chinese economy is booming, especially in housing and construction.   

中国经济正蓬勃发展，尤其是在房地产业和建筑业。

boost

提高，使增长；推动，激励；替…做广告，宣扬；宣传；增强

【例】The buoyant world economy is further boosting Chinese exports.

全球经济的强劲发展正进一步推动中国产品的出口。