模拟宇宙不是一天建成的

Keep a note of which domain types you have applied cornerstone to ensure that you apply it to 8 different types of domains by the end of your run.

The phrase "Simulated Universe Wasn't Built in a Day" appears to be a play on the well-known proverb "Rome wasn't built in a day," which is used to emphasize that important work takes time and patience. The original saying is often invoked to suggest that any great achievement requires time and effort.