求翻译：在家庭的购买活动中，其决策并不总是由丈夫或妻子单方面做出的，实际上有些价值昂贵或是不常购买的产品，往往是由夫妻双方包括成年的孩子共同作出购买决定的是什么意思？

Purchasing activities in the family, its decisions are not always made unilaterally by the husband or wife, in fact some high value or infrequently purchased products, often by including adult children of both spouses jointly made the decision to buy

In the family, in its decision-making and buying activities are not always by the husband or the wife, and in fact some of the unilaterally to high-value or are not often buy the product, it is often made by both spouses include adult children making purchase decisions of

In family purchase, its decision-making not always makes unilaterally by the husband or the wife, in fact some values expensive perhaps not often purchase the product, often is makes the purchase decision together by husband and wife both sides including the grown-up child

Home purchase activity, its decisions are not always made by the husband or wife unilaterally, in fact some costly or not to purchase products, often by the children of the couple included adults make buying decisions

In the purchase in the family moves about, its decision was not always made unilaterally by the husband or wife, in fact some value is expensive or products seldom bought, are often determined by the fact that couple include the child that grow up buys together