Environmentalists are arguing in circles about who or what is to blame: the total number of people; or the amount of water, food, mineral ores or clean air each demands.

环境保护主义者关于人口问题的归责长期唇枪舌剑争论不休：人口总量即与之对应的供给人口需要的水、食物、矿产和清洁的空气总量等等。

youdao

The Toffees have chalked up three straight clean sheets, going a total of 315 minutes - more than six hours - without conceding a goal in the Barclays Premier League.

太妃糖已有3场比赛没有丢球，总共有315分钟，将要超过6个小时没有在英超联赛中丢球。

youdao

That suggests a total for clean-up costs and damages of $20 billion and fines of up to $17 billion (again, assuming no tax relief).

提议的清洁和损害花费总数达200亿美元，以及170亿美元的罚金（还是假设不减轻税率）。

youdao

The total clean-up costs and claims were initially estimated to be around 5tn yen.

BBC: Tepco seeks more aid as Fukushima clean-up costs rise

But Michael Liebreich, the boss of New Energy Finance, expects total investments in clean energy to fall only slightly in 2008, thanks to a strong performance in the first part of the year.

ECONOMIST: Clean technology in the downturn

The 84 million kWh combined solar power will be added to the 40 million kWh of electricity that will be produced by an onsite biogas-powered 5-megawatt fuel cell installation for a total of 124 million kWh of clean onsite power.

FORBES: Apple Data Center to Run Entirely on Clean Energy