翻译：老年人有长处，但也有很大的弱点 —— 老年人容易固执，因此老年人也要有点自觉性。
Old people have strengths but also great weaknesses—they are easy to be stubborn, for example—and they should be aware of that.
暂无解析
Sinceeconomicreformbeganin1978,anaveragegrowthrateofalmost10%ayearhasseenChina’sGNPnearlyquadruple.（）
翻译：Itisnousetellinggrown-upchildrennottomakemistakes,bothbecausetheywillnotbelieveyou,andbecausemistakesareanessentialpartofeducation.