"A book is a dream that you hold in your hand."
一本书就是你握在手中的一个梦想。
成功不是靠运气，而是靠努力工作、坚持和做出正确的决定。
无人机的应用场景远远超出我们的想象。
The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
采矿技术的创新不是一种选择，而是我们对工人和环境应尽的义务。