The new API makes you choose one of these four explicitly:
item.get("author"),
。业内人士推荐服务器推荐作为进阶阅读
Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
Number (6): Everything in this space must add up to 6. The answer is 1-3, placed vertically; 3-0, placed vertically.