Current theory correctly predicts the distribution of distant galaxies, she said. But it also predicts hundreds of dwarf galaxies around the Milky Way, and to date only a few dozen have been found.
现有的理论能很好的预测到遥远星系的干扰，但是这些理论同样预测了数以百计的银河系外的暗星系，而现在只发现了其中的少数星系。
However, the value of this pledge has been reduced by the lack of an agreed start date from which the emission cuts should be measured, making it a distant promise.
然而，这一承诺的价值却由于未能对减排测量的开始日期达成一致而大打折扣，使之成为一个遥不可及的承诺。
It should be a date that is in the not-too-distant future, lest you lose your motivation, but one far enough away that you've had time to lay the groundwork.
这一天不能选得过于遥远，免得在此期间就失去动力了。但要留够做好准备工作的时间。
It should be a date that is in the not-too-distant future, lest you lose your motivation, but one far enough away that you've had time to lay the groundwork.
这一天不能选得过于遥远，免得在此期间就失去动力了。但要留够做好准备工作的时间。
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