一本书就是你手中握着的梦想。
A book is a dream that you hold in your hand.
科学与农业的结合将为农民创造更美好的未来。
Every story is a kind of ghost, haunting the present.
Safety isn't a department - it's a culture that starts at the very top.
抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。