1. 這個花瓶的年代比那個的早。
   This vase is of an earlier date (ie is older) than that one.
2. 七十年代是超短裙時代。
   It's an era of the miniskirt in the seventies.
3. 那個年代，我妻子的嫁妝很少。
   The dowry of my wife was very little in that age.
4. 在三十年代有很多麻瘋病人。
   There were many people with leprosy around the age of thirty.
5. 我不能確切地說出那所房子的年代，但一定是很古老的。
   I can't date that house exactly, but it must be very old.

代的英語翻譯：