perplexing in a sentence

René Jules Dubos once remarked that microbes display associations with other living things which have perplexing and illuminating analogies with human societies.

Yahoo’s perplexing work-from-home ban Marissa Mayer is pregnant again, this time with twin girls.

Otherwise, he said, given the strength of the U.S. economy, the market’s swoon was a “bit perplexing.”