greyness

基本解释

Who should take a responsibility to machines' security , which is an undefined greyness field.
谁该对机器的安全负责，这问题是个不能确定的灰色领域。
To his disappointment he could not see them at all: only a vague greyness, rolling down towards them.
使他失望的是，他压根儿看不到山顶，但见一大片模糊的灰色向他倾泻而下。
Taken from the Drum Tower. The bright color of red tourist rickshaws contrasts with the subdued greyness of the Hutong.
摄于鼓楼上。旅游的人力车明快的红色与灰暗的胡同的颜色形成鲜明对比。

After a decade of President Carlos Menem's brash ostentation, Mr de la Rua's greyness appeals.
ECONOMIST: Argentina’s Mr Boring plods to victory by default The
If Mr de la Rua's resolute greyness eases him to the presidency, would it also help him govern?
ECONOMIST: Argentina’s Mr Boring plods to victory by default