General Usage of "一般来说"

The phrase "一般来说" translates to "generally speaking" or "as a rule" in English. It is used to introduce general statements or observations that apply in most cases but may have exceptions. This phrase helps to set the context for the information that follows, indicating that what is being stated is a common understanding or a typical situation.

In the examples provided:

1. 一般来说，选手参加了比赛是不能退出的。
   ("Generally speaking, participants cannot withdraw from the competition.")
   This sentence indicates that it is a common rule that once athletes enter a competition, they are expected to stay.

2. 一般来说，这么重要的场合他是不会迟到的。
   ("Generally speaking, he would not be late for such an important occasion.")
   Here, the speaker suggests that it is typical for the person to be punctual in significant situations.

3. 一般来说，跟青年人相比，老年人的经验更丰富。
   ("Generally speaking, compared to young people, older adults have richer experiences.")
   This statement reflects a common observation about the differences in experience between age groups.

Overall, "一般来说" is a useful phrase for making broad statements about norms or expectations in various contexts.