Because they care so much for the wellbeing of their children, mothers often seem like worrywarts.他们是典型的悲观论者,喜欢杞人忧天。They are typically pessimistic. They like to meet trouble halfway.几乎所有的经济学家都认为这种关注并非杞人忧天,尽管很多人并不认为经济的增长就是罪魁祸首。