新的法案使得燃烧煤炭已经变得越来越昂贵。
Burning coal is becoming increasingly expensive as a result of new legislation.
土地变得越来越稀缺，也就越来越昂贵。
Land has become harder to find and, inevitably, more expensive.
传感器变得越来越便宜，但对于许多应用领域，传感器的成本还是过于昂贵。
Sensors are getting ever cheaper, but for many applications they are still much too expensive.
传感器变得越来越便宜，但对于许多应用领域，传感器的成本还是过于昂贵。
Sensors are getting ever cheaper, but for many applications they are still much too expensive.
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