常常是暗淡和难以找到的水母星云，被拍进这张迷人的假彩色望远镜照片。
Normally faint and elusive, the Jellyfish Nebula is caught in this alluring, false-color, telescopic view.
能确保少数主食的供给，好过不供应难以找到的食物。
The assured delivery of a few staple items is better than no delivery of hard-to-find items.
这无疑难以为该决定找到经济上的依据。
It is certainly difficult to find an economic rationale for the decision.
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