profitable

Investing in renewable energy has become a highly profitable business venture lately.

(Chinese) 投资可再生能源近来已成为一项高盈利的商业投资。

The bank refused to lend money to the project, claiming it would not be profitable enough.

(Chinese) 银行拒绝向该项目贷款，声称其盈利能力不足。

The two scientists spent a profitable afternoon sharing their research findings.

(Chinese) 两位科学家共度了一个收益颇丰的下午，分享了各自的研究成果。

Reading historical biographies can be a profitable way to spend your free time.

(Chinese) 阅读历史传记是度过闲暇时间的一种非常有益的方式。