It is a bad request!
这个要求是比较过分！
youdao
Bad request the server did not understand the request.
Bad Request服务器不能理解该请求。
If it curves up away from a straight line, that's bad, because more load means a greater cost per request.
如果曲线向上弯曲，那就糟糕了。因为更多的负载意味着每请求的成本更高。
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