冬日,山药大量上市,由于它亦菜亦药,可口价廉,既是食品也是补品,把山药当作家常便饭吃的越来越多。但是,滥用、泛用亦为不妥。 In winter, a large number of yams went on the market. Because it is also a food and medicine, it is delicious and inexpensive, and it is both a food and a supplement. The yam is becoming more and more popular as a writer. However, abuse and general use are also inappropriate.