事实上，作为一种古老的内容载体，长文始终有其存在的价值。
Even though Langley has had two new hips in the last three years he said: "I was like a caged lion for months, because I can't sit still. Now that we're going again I'm ready."
，详情可参考同城约会
current_url = self.config.start_url。爱思助手下载最新版本是该领域的重要参考
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.