Photo Tip: Start simple. A central concept of photography is the arrangement of elements in the picture, called composition.
拍照小技巧：从简单开始。摄影的中心思想就是把图片里的各种元素排列好，这就叫做构图。
2
The book isyours — go ahead and get the central idea before you start!
这本书是你的，继续阅读然后在开始之前了解它的中心思想。
3
The Reserve Bank of Australia (RBA) was among the first rich-world central banks to start raising interest rates after virtually all countries had slashed them during the crisis.