This is a good moment to posit the idea that, in a man-free world, makeup and beauty-product sales would decline, because we would have no one to preen for.

现在正是时候去假设一个概念，在一个没有男人的世界，化妆品和美容产品销量将会直线下降，因为我们已经没有了为悦己者容的对象了。