In addition, Hainan also opened online sales of duty-free sales window.

此外，海南针对免税品还同步开设了网上销售窗口。

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Through online sales window duty-free shopping must strictly enforce the relevant provisions of offshore duty-free policy.

通过网上销售窗口免税购物须严格执行离岛免税政策的相关规定。

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After all, Levi first opened a Web site three years ago -- an eternity in cyberspace -- but without a sales window.

FORBES: Digital denim

Some 1.5 million tickets for Olympic football and 1.5 million Paralympics tickets that remain unsold will also be available when the sales window opens in April.

BBC: London 2012: Olympic ticket ballot to be prioritised

Home Entertainment Group and Netflix, Inc. (Nasdaq: NFLX) today announced a new agreement that will extend the current 28-day sales-only window to 56 days for Theatrical New Release and made-for-video titles on DVD and Blu-ray Disc.

ENGADGET: Netflix: Warner Bros. movies now available after 56 day delay