So the new generation of robogamis actually serve a purpose.

新一代折纸式机器人有实际用途。

Rather than just lying in the drawer, your old phone will now serve a purpose.

现在你的手机不再静静地躺在你的抽屉里了，可能正在为某人服务呢。

While many dreams are dark, they do serve a purpose—most importantly, perhaps, helping us to solve problems and develop insight.

尽管很多梦都是灰暗的，但是它们确实也有一定作用——也许最重要的是可以帮助我们解决问题，发挥洞察力。

The fact that such activities are possible is certainly not much of a justification and not much can be expected to result from them unless they come to serve a purpose beyond them.

我们不能简单用“因为新技术已成为可能”作为上述活动的充分理由，而应该说明技术是如何服务于技术之外的目标的。