YOU SAID:
A bank is a place that will lend you money if you can prove that you don’t need it.
INTO JAPANESE
銀行は、あなたがそれを必要としないことを証明することができればあなたにお金を貸す場所です。
BACK INTO ENGLISH
A bank is a place to lend money to you if you can prove that you don't need it.
INTO JAPANESE
あなたがそれを必要としないことを証明することができるならば、銀行はあなたにお金を貸す場所です。
BACK INTO ENGLISH
A bank is a place to lend money to you if you can prove that you don't need it.
That didn't even make that much sense in English.