abort(reason) { closed = true; chunks.length = 0; },
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
，更多细节参见旺商聊官方下载
第二十一条 纳税人购进贷款服务的利息支出，及其向贷款方支付的与该贷款服务直接相关的投融资顾问费、手续费、咨询费等费用支出，对应的进项税额暂不得从销项税额中抵扣。
// may be buffered in memory waiting for this branch
await writeToStorage(forStorage);