Convenience means task achievement with minimum effort.
方便意味着通过最小的努力完成任务;
The only remaining task is to model which tasks contribute to the achievement of which goals.
剩下的最后一步,是指定由哪一项任务完成哪一个目标。
Along with this comes a second task: to preserve the single market, by far the EU's greatest achievement of recent years.
而与这此相关的第二个内部任务则是保住本地区的单一市场——近年来欧盟所取得的最大成功也正在于此。
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