如此强调有目的性的研究是可以理解的：现在针对癌症展开的大量工作就是明确的目标。
This accent on targeted research is understandable. Plenty of the work now done on cancer will be of the targeted sort.
这是四年前我们展开多哈回合谈判时，立意要达到的工作目标。
That is what we committed ourselves to do when the Round was launched four years ago in Doha.
如果你什么都不做也没有明确的目标，仅仅让生活自己展开，那你得到的结果也许并非是你所喜欢的。
If you simply sit back and let life unfold without a clear focus, the results may not be to your liking.
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