Once the game started, the users would be given complete game rules, as well as variations to the rules that would be introduced in each succeeding round of the game.

游戏开始以后，所有用户都会得到完整的游戏规则，其中包括每一轮游戏中的规则变化。

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Once he's picked up and dropped off all the dogs, each run to the dog park takes about three hours round trip.

从牵狗出门到让狗在狗狗公园玩一圈，这大约要花三个小时。

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She looked round. For a few seconds they gazed mutely in each other's eyes, and the remote and impossible became all at once close at hand, possible and inevitable.

她回过头来，看着他，他们默默地相视了几秒钟，于是那遥远的原本不可能的事情，突然一下子变成了眼前的，即将成为现实的甚至是无法避免的事情了。

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If someone votes for just one one candidate under AV, their vote will be counted once in each round that takes place.

BBC: Q&A: Alternative vote referendum

Once they gather around the clubhouse for a brew and postmortem of the round, they would laugh or hate each other all over again.

FORBES: Apps May Kill Golf As We Know It