If the product elements (or extensions) are dynamic or volatile and may change over time, then specs is a good option.
如果产品类型(或扩展)是动态或经常变化的，并且可能随时间变化，那么specs是最佳选择。
If the product elements (or extensions) are dynamic or volatile and may change over time, then specs is a good option.
如果产品类型(或扩展)是动态或经常变化的，并且可能随时间变化，那么specs是最佳选择。
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