例句與造句

1. "The kind of person who gets a PhD in, say, optics, is probably the kind of person who likes to look for a needle in a haystack, which is something that drives me crazy, " said Kathleen Perkins, who handles business development for Lightpath Technologies, a research and development company in Tucson, Ariz ., whose 15 employees work on so-called smart glass for camera lenses, medical optics and other applications.
2. It's difficult to find to look for a needle in a haystack in a sentence. 用to look for a needle in a haystack造句挺難的