我们都应该努力保持办公室整洁。

We should all make an ___effort to keep the office tidy.

为了减少犯罪，政府雇佣了更多警察。

In an ___effort to reduce crime, the government has hired more police officers.

为了保持健康，她每天早晨都去慢跑。

She goes jogging every morning in an ___effort to get fit.