It is critical you find joy in your sales job.

你在销售工作会中发现快乐是很重要的。

youdao

Then, as much to their surprise as to their joy, they noticed sales increasing substantially.

FORBES: Leadership and serendipity

Coal mining accounts for 90% of sales at Joy's underground division and 33% at its surface-mining unit (copper and other ores account for the rest).

FORBES: The Big Dig

On the surface side, Joy has nearly twice the sales of its nearest competitor, Bucyrus International.

FORBES: The big dig