美国每年生产大约220万公吨的苯酚高分子材料，用于工业和商业领域，包括生产耐用塑料。

Phenol polymers are produced at an annual rate of 2.2 million metric tons per year in the United States for many industrial and commercial applications including durable plastics.

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塑料零件可以代替金属零件，但是它们不耐用。

Plastic parts can substitute for metal ones, but they don't last long.

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人们经常抱怨塑料过于持久耐用。

People often complain that plastics are too durable.

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