而且，auction类实例的所有者必须能够修改相关的bid类实例中的接受标志。
Furthermore, the owner of the Auction class instance must be able to modify the acceptance flag in the related Bid class instances.
class实例也是一样，除了相应Auction . class实例的所有者可以更改投标接受标志。
The same holds true for the Bid.class instances, except that the owner of the corresponding Auction.class instance can change the bid acceptance flag.
不断变化的建筑规范、人们逐渐发展的品味，以及维护这些精美的旧标志牌的高昂成本，让企业欣然接受了发光二极管。它们节约能源，但成本仍然很高。
Changing building codes, evolving tastes, and the high cost of maintaining those wonderful old signs have businesses embracing LEDs, which are energy efficient but still carry great cost.
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