They had longer life expectancies than their parents.他们比上一辈人的预期寿命要长。These children seem to have a stronger sense of purpose than the previous generation.这些孩子似乎比上一辈人有更明确的目标。Many of the older generation simply don't hold with mixed marriages.上一辈人中有许多是决不赞成异族通婚的。