Consumers also didn't like seeing dark pin feathers.

顾客也同样不喜欢看见黑色的针状羽毛。

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Some feel kind of "dark pin-striped suit" while others feel a little more relaxed.

有的会让人觉得有种“大别针，条纹套装”的紧迫感，但也有的会让人觉得轻松。

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A decade later, a new suite of experiments may pin down the properties of dark energy and solve what some experts are calling "the most profound problem" in modern physics.

十年后，一组新的试验有可能帮助搞清楚暗能量的特性，相应地，一些专家号称的现代物理学中“最深奥”的问题也将迎刃而解。

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"In this case, it will always be an open question until we can pin down what dark matter is made of, " he said.

CNN: Space station detector gives first clues to 'dark matter'

He was also wearing a white vest and a dark coloured t-shirt with horizontal pin stripes and black worker style boots.

BBC: Glasgow & West Scotland