biodiversity [,baiəudai'və:siti]

生物多样性（名词，生物学术语）

(noun, BIOLOGY) The relative number of plant and animal species, at either genetic, organism, community, or ecosystem levels. (NOTE Also “biological diversity”)

EXAMPLE: The loss of biodiversity in a region reduces the ability of the ecosystem in that region to recover from either human-induced or natural disasters.

一个地区生物多样性的丧失，降低了该地区生态系统从人为或自然的灾难中恢复的能力。

sweetheart deal

私下签订的偏心交易

An inappropriate agreement that unfairly gives advantage to a friend over other equally qualified contenders.

EXAMPLE: The company's boss secretly made a sweetheart deal with a product supplier to whom he owed favors, although that supplier's products were inferior to those of many others.

公司老板和一家他欠有人情的产品供应商私下签订了协议，尽管这家供应商的产品质量比其他供应商差。