青年
?youthful;young
?youth;young people
～是整個社會力量中最積極最有生氣的一部分。The young people are the most active and vital force in society./～人必須向老年人和成年人學習。The young people should learn from the old and other adults./我們不能總是為我們的～造就美好的未來，但是我們能夠為未來造就我們的～一代 （羅斯福總統(tǒng)） We cannot always build the future for our youth,but we can build our youth for the future.(Franklin Roosevelt)/知識～educated youth