seem的主系表结构

主系表结构是: 主语+ seems to beIt seems to be human nature to worry.

忧虑似乎是人的天性。That hardly seems like a hardship .这种安排似乎完全不是难事。

On the surface ， it seems like an incremental upgrade .

新MacBookAir的外观与老款没有什么区别。

Mention it to anyone who seems to need reminding .

向需要提醒的人说清楚这一点。

To the average german citizen this probably seems very unfair .

对于普通的德国民众，这听起来可能非常不公。