还有一个实际的成本问题需要注意：超过 272K 的请求会按两倍用量计入配额。也就是说，发一次超长上下文的请求，额度消耗等于两次普通请求，用之前值得想清楚是否真的需要这么长。
四川成都给出的答案，藏在每一段跨越山海的快速联通里：从北欧远道而来的三文鱼，仅需48小时便能跨洋抵蓉，端上市民餐桌；“成都造”电子芯片、汽车零部件从蓉城出发，72小时内即可精准送达海外工厂车间。
。关于这个话题，新收录的资料提供了深入分析
BBC visits UN compound Israel is demolishing in East Jerusalem
"We use it every day, it's really good with little kids," he says. They can zip to and from the beach without worrying about parking. He's not overly concerned about teenagers on overpowered e-bikes.