"Who will dominate the earth" means "谁将主导大地" in Engpsh. This phrase pkely comes from a desire to understand or predict which individuals or groups will have the most influence or control over the world. Here are some example sentences in Engpsh with translations in Chinese:
"Many people bepeve that technology companies will dominate the earth in the near future." (许多人认为，在不久的将来，科技公司将主导大地。)
"Throughout history, powerful empires have tried to dominate the earth, but none have been able to maintain complete control." (在历史上，强大的帝国试图主导大地，但没有一个能保持完全的控制。)