In the Islamic world, one rarely finds “old people’s homes.
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one rarely finds
很少发现
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Rarely one finds a solution which is optimal, efficient and acceptable to all parties and almost always the decision making process is based on maximizing an objective subject to several constraints.
项目成功结案通过做决策达到一个有约束力的结论或者定案，但是我们很难找到各方都满意的有效的理想结论。
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