An old saying has it that half of all advertising budgets are wasted - the trouble is, no one knows which half.
有一句老话说，所有广告预算的一半都是浪费的——问题是，没人知道到底是哪一半。
The fashion industry knows it has an inherent problem in focusing on material adornment and idealized body types.
时装行业知道，它本身存在一个固有问题，即过于关注物质装饰和理想化的身体类型。
As Koziatek knows, there is learning in just about everything.
正如科扎泰克所知，在几乎所有事情中都有学习的内容。
A cynic might speculate that the UK is on the verge of disappearing into an endless fever of self-celebration in its desperation to reinvent itself for the post-Brexit world: after town of culture, who knows what will follow - village of culture?
一个愤世嫉俗者可能会猜测，英国正濒临在脱欧后的世界中不断自我庆祝的狂热边缘：在文化之城之后，谁知道还会有什么接踵而至——文化之村？
No one knows for sure when poetry began but it has been around for thousands of years, even before people could write.
没有人确切知道诗歌起源于何时但它已经存在了数千年甚至在人类能够书写之前
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。