major issue

• 主要问题； 主要事件

major issue的用法和样例：

例句

1. We'll confine our discussion to the main issue.
   我们将只讨论主要问题。
2. It does not touch any central issue.
   并不影响任何主要问题。
3. One major event in time is the development of sexual reproduction.
   一次主要事件及时是性再生产的发展。
4. Value represents the offset for the major event code range associated with health events that have not been categorized.
   值表示与未分类的状况事件关联的主要事件代码范围的偏移量。