她在三十多岁时就已经成为了一位成功的银行家。

She had already become a successful ___banker by her mid-thirties.

这位银行家管理着银行的国际业务。

The ___banker managed the bank's international operations.

作为高级银行家，他负责批准大额贷款。

As a senior ___banker, he was responsible for approving large loans.