整个国家的未来可能会像现在下层社会的非洲美国人那样，女性在努力提升自己生活，而男人却不上进。
The whole country’s future could look much as the present does for many lower-class African Americans: the mothers pull themselves up, but the men don’t follow.
脚底的热量作用在上层薄片，较冷的地面作用在下层薄片，好了，电就这样产生了。
Heat from the foot is applied to the top side of the wafer, and cold from the ground is applied on the other side, and voila: electricity.
像选择这样的长椅一样挑选入口处的家具，它们需要具有多种功能，在下层有储物空间。
Choose entryway furniture that is multifunctional―like this bench with storage compartments underneath.
应用推荐