20170503 长难句每日一句
这些文字，游戏人生
有问题，欢迎长按二维码直接分答提问
【昨日长难句】
One basic weakness in a conservation system based wholly on economic motives is that most members of the land community have no economic value.
在一个完全以经济目标为基础的(生态)保护系统中，一个根本弱点在于陆地群落的大多数成员没有经济价值。
【今日长难句】
Yet these creatures are members of the biotic community and, if its stability depends on its integrity, they are entitled to continuance.
【结构分析】
1. 本句是由and连接的并列句，前半句为主系表结构，即：these creatures /are/ members of the biotic community.
2. and之后的后半句由if引导条件状语从句和主句构成。
3. 今日长难句难点在于词汇。
【词的处理】
yet / jet / conj. 但是；然而
creature / ˈkri:tʃə(r) / n. 生物；动物
biotic / baiˈɔtik/ adj. 生物的；生命的
stability / stəˈbiləti / n. 稳定(性)；稳固(性)
integrity / inˈteɡrəti / n. 完整；完好
be entitled to …有权；有…的资格
continuance / kənˈtinjuəns / n. 继续
【参考译文】
Yet these creatures are members of the biotic community and, if its stability depends on its integrity, they are entitled to continuance.
但是这些生物是生物群落的成员，并且如果该群落的稳定性依赖其完整性，那么这些生物有权/应该继续生存。
【明日长难句】
When one of these noneconomic categories is threatened and, if we happen to love it .We invert excuses to give it economic importance.