As they say, every cloud has a silver lining. We have drawn lessons from the decisions taken.
正如他们所说，黑暗中总有一线光明。我们已从所作的决定中汲取了教训。
《柯林斯英汉双解大词典》
2
One answer appeared in 1969, when the German researcher and writer Erich von Daniken proposed that the lines were drawn by extraterrestrials as runways for their aircraft.
1969年，德国研究人员兼作家埃里希·冯·丹尼肯提出，这些线条是外星人为它们的飞机绘制的跑道。
3
Then the donors relax, often reading a magazine or talking as their blood is drawn.