研究鲸鱼的专家也不清楚这头母鲸为何要进行这次不同寻常的马拉松，可能只是为了食物源，或者是为了寻找合适的伴侣，也可能仅仅是随洋流而动。
Whale researchers don't know why she made her unusual marathon journey. She may have been following a prey source, looking for a suitable mate, or simply following the currents.
我们已经承受并能克服这些措施仅仅因为市场非同寻常的源动力。
We have been able to afford and surmount these measures only because of the extraordinary fecundity of the market.
荞麦蜜是由细腻洁白荞麦花开的花蜜的蜜蜂，一个非同寻常的有限的植物源收集。
Buckwheat honey is gathered by honeybees from the nectar of the delicate white buckwheat blossoms, an uncommonly limited plant source.
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