Demand for credit derivatives overwhelmed the existing, largely manual, dealer and market infrastructure, leading to a large backlog of unconfirmed trades.

对信用衍生品的需求，让人工处理为主的现有交易商和市场基础设施应接不暇，导致未经确认的交易大量积压。

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The stock of existing homes, relative to monthly demand, remains high and the backlog of new homes is rising.

成屋存量相对于月度需求来说，仍然处在高位水平，而且滞销新屋的数量也在增长。

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Before, Demand usually served up tens of thousands of assignments per day: one day last year, it had a backlog of 150, 000 available assignments for writers, editors and videographers.

以前，按需媒体通常每天发布成千上万个任务：去年每一天，它都有15万个任务可派给写手、编辑和视频制作人员。

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When Boeing announced its fourth quarter earnings on Wednesday, it beat analyst expectations thanks in part to a record backlog of orders, and strong demand from customers to add to their Dreamliner fleets.

FORBES: Dreamliner Woes Aren't Slowing Boeing Down

The backlog of unsold houses remains high, and rising mortgage rates may further dampen demand.

ECONOMIST: America's housing market is no longer booming

Between the backlog of vital infrastructure projects, the need to modernize the healthcare and educational sectors, nd major pent-up demand for additional housing, and onerous taxation on certain sectors, there are a myriad of ways that Russia can drive greater GDP growth.

FORBES: Putin Pledges Pro-Growth Tax Cuts: Or, Why Today's Russia is Far More Flexible Than the Soviet Union