Chinese pharmaceutical makers' lower net profit margin suggests their operations are less efficient.
中国药企较低的净利润率表明他们的经营效率较低。

2.coming close to 接近

I was coming close to the office when the fire alarm sounded.
我正走近办公室，这时火警报警器响了。

3.breathed a sigh of relief 松一口气

Hearing the news, he breathed a sigh of relief.
一听到消息，他如释重负地松了口气。

4.ended on a positive note 以积极结果结尾

The president's farewell trip to Europe ended on a positive note for the White House.
总统的欧洲告别之旅以对白宫的一个积极讯息而结束。