例如，如果你计划得当，你就会知道你只需要350克的牛肉和6薄片培根，而不是超市冷冻柜里预先包装好的任何重量的食材。

If you plan properly, you'll know that you only need, say, 350g of beef and six rashers of bacon, not whatever weight is prepacked in the supermarket chiller.

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液体药物比片剂或粉剂更加昂贵，而且因其体积、重量和制冷需要，也更加难以储存、包装和运输。

Medicines produced in liquid form are more expensive than tablets or powders and are also more difficult to store, package, and transport, due to their bulk, weight and need for refrigeration.

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