最近，在加拿大的艾伯塔油田及非洲的安哥拉油田拍卖中，埃克森凭着精湛的技术标中了石油蕴藏最丰富的油田，而它的竞争对手，则为贫瘠的油田付出了不菲的代价。

During recent auctions in Alberta, Canada, and in Angola, the firm's know-how helped it secure the best fields, while rivals overpaid for marginal ones.

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这座塔曾是船只的陆标。

The tower was once a landmark for ships.

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那山顶上的塔乃是尽人皆知的陆标。

The tower on the hilltop is a well-known landmark.

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那山顶上的塔乃是尽人皆知的陆标。

The tower on the hilltop is a well-known landmark.

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