1. Even pessimists like Robert Gordon, an economist, expect this burst of technological investment to bring about faster productivity growth, which means higher wages.

bring about 導致；引起

Interest-rate cuts have failed to bring about economic recovery

利率下調沒有帶來經濟復蘇YUqfxy5fLXrw。

2. If they do, workers will have the confidence and bargaining power to experiment and negotiate for themselves.

bargaining power 討價還價的能力

Also, this could give consumers more bargaining power when buying diamonds.

此外，此舉可能使消費者在購買鉆石時享有更大的議價權LPY]6z]]pcwjXT。