这涉及改变产品质量、特性或风格，以吸引新用户，或提升现有用户的使用率。
It involves changing product quality, features, or style to attract new users or more usage from present users.
在大多数经济领域中，是卖方试图用价格、质量和效用等各种诱因来吸引潜在的买家。
In most sectors of the economy, it is the seller who attempts to attract a potential buyer with various inducements of price, quality, and utility.
牛顿发现宇宙中任何两个物体都相互吸引，而且这股引力与它们的质量成比例。
Newton discovered that any two objects in the universe attract each other, and that this force is proportional to their mass.
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