You can make your stomach look flatter instantly by improving your posture.

你可以改善坐姿，腹部就会马上显得平些。

《柯林斯英汉双解大词典》

If improving your running speed is something you'd like to work on, you could also ask your gym teacher for advice.

如果你想提高跑步速度，你也可以向你的体育老师寻求建议。

youdao

Improving yourself makes you a winner too.

提升自己也能让你成为赢家。

youdao

My advice for improving your writing really has to do with... doing as much reading as you can.

我对于提高你写作能力的建议就是尽可能多阅读。

英语阅读：技巧 - SpeakingMax英语口语达人

When you look at this theory, you realize that it suggests a very important technology for improving human welfare and by spreading risks.

这一理论，提出了一个重要的技术,即可以通过分散风险，提高收益。

耶鲁公开课 - 金融市场课程节选

A theme of that book was that-- I've already said this to you, but it's a very important point-- financial technology is evolving and improving just the way engineering technology or biochemical technology is improving.

这本书的其中一个主题是...,尽管已经提过,但这非常重要,我想强调一下...,就是金融技术的演进过程,与工程技术或生物技术,的演进过程并无二致

耶鲁公开课 - 金融市场课程节选

Seriously, there's only so much picture improving you can do before the law of diminishing returns demands some recognition.

ENGADGET: LG Display plans to melt eyes with Trumotion 480Hz LCD TV HD

If you believe the economy is improving, you've likely never met someone who still can't afford a can of cat food.

WSJ: Pets on Food Stamps

You keep going, you keep improving, and you keep ticking off the wins and the series.

BBC: Charlotte Edwards eyes England women's next chapter