请问下面两个句子哪地方错了,怎么改呢?On one hand ,I will support her or him until graduation.On the other hand,when she or he goes to college before I will take care of her or him.
Television can not dwell upon a subject or explore it deeply, an activity for which the static, lineal form of typography is well suited. 这里activity 是同位语?作句子的同位语?