Once purchased and trained, this would allow the casual user to save money and time, freeing up precious space in our busy lives to read a good book.

一旦购买并训练好了这样的机器人，临时用户就能节省金钱和时间，从我们的繁忙生活中腾出宝贵的空间来读一本好书。

youdao

The coupons themselves, once purchased, are valid for months.

优惠券一旦被用户购买，几个月内均可生效。

youdao

Once at the checkout aisle, the customer actually checks out -- which takes an amount of time proportionate to the number of items purchased.

一旦来到付款通道，顾客实际上就在付款了 — 所花时间与所购商品的数量成比例。

youdao

Once purchased and downloaded, a track can be copied on to as many as three computers, burned on to CDs, and transferred on to Apple's popular iPod portable music-players.

ECONOMIST: How to pay the piper

Once purchased it will fill in the gap between the two segments already owned by the trust, creating a five-mile (8km) reserve with guaranteed rambling rights and nature protection.

BBC: Dover's White cliffs: National Trust appeal breaks ?1m

One sticking point concerned checks involving private sales and what records would be maintained once guns are purchased.

CNN: STORY HIGHLIGHTS