platinum handshake

例句：

1. 1. The CEO and the board president shook hands in a platinum handshake.
   首席执行官和董事会主席用白金握手。
2. 2. During the meeting, they made a platinum handshake to seal the deal.
   会议期间，他们进行了白金握手以敲定交易。
3. 3. After their successful collaboration, they shook hands in a platinum handshake as a symbol of gratitude.
   在他们成功合作后，他们用白金握手作为感激的象征。