To do this, they asked their volunteers to play a social-dilemma game, in which both sides can benefit from co-operating, but only at the risk of being taken advantage of.

实验要求志愿受试者参与一个社交困境博弈游戏，游戏规定如果双方都能选中对方则利益最大，相反，如果一方选中另一方，而另一方并未选中自己，则会有损失的风险。

youdao

Not only does this play video but it can display anything you tell it to. Create some images or videos, edit the HTML and you can easily create a simple rolling demo with lovely transitions.

Ubuntu开源了一个可以创建图片和视频，编辑HTML并且你能够轻松地制作一个带有可爱过渡的滚动播放演示程序。

youdao

Whenever this time of the same age children in mom and dad arms play the woman, but I can only and toy company.

每当这时候同龄的孩子还在爸爸妈妈怀里撒娇的时候，我却只能和玩具为伴。

youdao

This survey will argue that Indian business can play a big part in delivering faster growth, but only if the government helps.

ECONOMIST: Now for the hard part