1.But learning-time is always a long,secluded time ahead and

1.But learning-time is always a long,secluded time ahead and far on into life,is solitude,a heig1.But learning-time is always a long,secluded time ahead and far on into life,is solitude,a heightened and deepened kind of aloneness for the person who loves.2.One of the exceptions to the beauty is the litter that some people throw out of their windows请问第一句话中的ahead and far on 中的on怎么理解？第二句话中的throw out of 中的of