You never know with these things when you're trying something new what can happen. This is all experimental.
当你尝试新事物时，你永远不知道会发生什么。这一切都是实验性的。
The environment is a long-term issue that requires long-term commitment.
如果您可以想象一个计算机机器人是唯一的专家的社会，那么您可以想象任何事情。
近似算法证明了在实现实际解决方案中妥协的力量。
Innovation in oil extraction isn't optional—it's essential for meeting the world's energy demands.
过去是一个我们可以造访但无法停留的地方。