By the time a problem has been addressed and remedied it may have vanished in the marketplace, to be replaced by new abuses of power.
等到一个问题被发现并加以解决时，它可能已经在市场上消失，取而代之的是新的权力滥用行为。
Caravanserais were also an important marketplace for commodities and 15 in the trade of goods along the Silk Road.
驿站也是丝绸之路上商品贸易的重要市场，15在商品贸易中扮演了重要角色。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。