YOU SAID:

Big bank take a little bank

INTO JAPANESE

大きな銀行は小さな銀行を取る

BACK INTO ENGLISH

Big banks take small banks

INTO JAPANESE

大きな銀行は小さな銀行に取って代わる

BACK INTO ENGLISH

Big banks replace small banks

INTO JAPANESE

大きな銀行が小さな銀行を置き換える

BACK INTO ENGLISH

Big banks replace small banks