尽管目前努力的成本比较高，但让伊朗紧急停止核计划的时机并没有完全错过。
The opportunity to pull Iran up short is not entirely lost, though the effort will be more costly now.
国家开发新核计划不确定的成本应该是公开的透明的，比如英国将会是做出这方面表态的第一个国家。
Being open and transparent about the uncertain costs of new build in countries such as the United Kingdom would be a start.
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