nuptial net reproduction rate

例句：

1. 1. They were married for 30 years before they divorced.
   他们在结婚30年后离婚了。
2. 2. The couple is planning to have a nuptial ceremony soon.
   这对夫妇计划很快举行婚礼仪式。
3. 3. She was engaged to be married to a wealthy businessman.
   她曾与一位富有的商人订婚。