How to politely ask her mother-in-law for money

I suggest my husband tell me that having children is expensive and I need my mother-in-law to help me through this difficult period. As long as you ask, no mother-in-law will refuse. Of course, some mothers-in-law don't. As long as you spend properly and don't spend money indiscriminately, it's useless to buy some, and even a powerful mother-in-law will help.