If the local farmer USES fossil fuel to heat his greenhouse to produce crops out of season, his produce may not be the wisest purchase.
如果当地农民使用化石燃料加热温室来生产反季作物，采购这样的农产品可能并不是最明智的。
Also be sure to check out the farmers market during the growing season to see what local produce is available.
也要在农作物生长季多逛逛农产品市场，看看当地应季食品有哪些。
Many scientists are already testing different prototypes to put an end to the yearly race to predict coming flu strains and quickly mass produce a new vaccine each flu season.
为了每年不再争分夺秒地去预测将会出现何种流感类型，并且在每个流感季节中都能快速大量生产出新疫苗，众多科学家早开始在试验各种各样的原型疫苗。
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