This food preference has been often found to increase when children witness their parents enjoying foods.

通常发现，当孩子们目睹他们的父母享用食物时，这种食物喜好会增加。

Another common food preference in the UK is food from Italy.

英国另一种常见的食物偏好是来自意大利的食物。

Or they might be ecological, such as a shift in food preferences causing insects formerly of the same species to feed in different types of tree.

或者它们可能是生态的，比如食物偏好的改变导致原来同一物种的昆虫在不同类型的树上觅食。