Until now, those guns have been sold primarily on an honour system, wherein the purchasers ensure the sellers they are legally entitled to buy firearms.

到现在为止，那些枪基本是基于荣誉制度而被贩售的，也就是购买者向贩售者保证他们可以合法地购买武器。

《柯林斯英汉双解大词典》

The tale goes onto detail an adventure wherein the Doctor and Martha join a French Arctic Expeditionist.

这个故事详细介绍了医生和玛莎加入了法国北极探险队经历的一次冒险。

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Which are blackish by reason of the ice, and wherein the snow is hid?

这河因结冰发黑，有雪藏在其中。

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OSSIE DAVIS: "Baseball should be taken seriously by the colored player -- and in this effort of his great ability will open the avenue in the near future wherein he may walk hand in hand with the opposite race in the greatest of all American games -- baseball."

VOA: special.2009.04.05

Whereupon, the trial court held a bench trial wherein the Engineer was the sole witness.

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On its back, a blank scroll supplied a space wherein the recipient's name could be engraved.

FORBES: Homo Numismatus

The most successful fashion photographs are those wherein the photographer has a rapport with a particular model.

WSJ: Tina Gaudoin on Style: Fashion Photography Grows Up