意思：自然磨损
例句：
The furniture suffers a lot of wear and tear when the children are at home.
孩子们在家时家具磨损很厉害.
“wear-and-tear” is a term for damage that naturally and inevitably occurs as a result of normal use or aging.It is used in a legal context for such areas as warranty contracts from manufacturers,which usually stipulate that damage due to wear and tear will not be covered.
