Imperfect table manners, like spitting food out, appear quite common in the preschool set, though certain mealtime habits may signal a wider behavioral problem, a preliminary study suggests.

• 不完美的餐桌礼仪,像是把食物吐出来,在学前儿童的生活中似乎颇为常见。但是一项初步研究指出,特定的进食习惯可能反映更广泛的行为问题。