它们还能带来潜在的收益机会，这总是件让人很爽快的事情。
They also add potential revenue streams for you, which is always a good thing.
这样做的成本几乎为零，而潜在的收益和便利却很多。
The cost to do so is vanishingly low, and the potential benefits and convenience are quite high.
潜在的收益也遍布数以百万计的家庭和企业，因此要争取广泛的参与将是一个挑战。
The potential gains are also spread across millions of homes and businesses, so getting widespread participation would be a challenge.
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