bank return的用法和樣例：
例句
- To be sure, investors have been expecting bank earnings to get whacked by bad-loan reserves.
固然，投資者一直預計銀行收益將受到不良貸款準備金的影響。 - The CDO investments themselves are only a small fraction of the banks overall portfolio, and the impact on bank earnings is expected to be limited.
債務抵押證券只是銀行全部投資組合的一小部分，其對銀行收益的影響估計也有限。
