By the time的意思

"By the time" is a prepositional phrase in English that is used to indicate that something happens or is true when another event has already occurred or has reached a certain point. It is often used to describe a situation where one event precedes another. Here are a few examples of how "by the time" can be used:

1. "By the time I got to the store, it had already closed."
2. "By the time you get here, we'll have everything ready."
3. "By the time she finished her homework, it was already late at night."

In these examples, "by the time" is used to show that one action or event happened before another. It can be used to describe a sequence of events or to indicate that something has changed or developed over time.