The business case for so many non-entities cluttering up the German banking system is becoming ever harder to sustain.

众多貌似虚无的东西使德国银行系统散乱，而这样的交易现状变得更加难以维持。

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The pulmonary (respiratory) system works closely with the cardiovascular system to sustain life.

肺部(呼吸)系统紧邻心血管系统，并和后者一起维持着人的生命。

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The BFHI contributes to improving the establishment of exclusive breastfeeding worldwide and, coupled with support throughout the health system, can help mothers sustain exclusive breastfeeding.

爱婴医院行动在改善全世界范围内的纯母乳喂养状况做出了贡献，并支持整个卫生系统，这都有利于母亲持续地进行纯母乳喂养。

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No longer could the NBA sustain the quota system limiting the number of black players on a team.

WSJ: The Night Wilt Chamberlain Made History

This means that the critical complexity (blue curve), which measures how much complexity a system can sustain without imploding, increases.

FORBES: America in Danger of Collapse?

During the past 15 years or so international bank regulation has been concerned mostly with the ability of the system to sustain shocks, such as a stockmarket crash, a foreign-exchange crisis or a terrorist attack.

ECONOMIST: Open wider | The