// 步骤2：按位置降序排序（离终点越近的车越先处理）
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"My grandson is devastated," he said, "but we've resigned ourselves to the fact that we've got to go".
When a host runtime provides a byte-oriented ReadableStream from the runtime itself, for instance, as the body of a fetch Response, it is often far easier for the runtime itself to provide an optimized implementation of BYOB reads, but those still need to be capable of handling both default and BYOB reading patterns and that requirement brings with it a fair amount of complexity.