Then ask yourself another question: is it easier to write all new code or to make changes to existing code?

然后再问自己另一个问题：写全新的代码容易还是对现有代码进行修改容易？

youdao

The sufferer may have to make major changes in his or her life to arrest the disease.

患者可能得对自身生活作大的调整以抑制病情。

《柯林斯英汉双解大词典》

Studies have explored evidence that dietary changes can slow inflammation, for example, or make the body inhospitable to cancer cells.

例如，研究发现了饮食变化可以减缓炎症，或使体内环境不适于癌细胞繁殖的证据。

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"The blunt reality is that there will be dwindling appetite and patience in the US Congress -- and in the American body politic writ large -- to expend increasingly precious funds on behalf of nations that are apparently unwilling to devote the necessary resources or make the necessary changes to be serious and capable partners in their own defense."

VOA: special.2011.06.11

And even once we acquire those skillful movements the circuits that produce those movements need to be continually recalibrated as the body changes, as it grows and then ages we need to make those recalibrations or our movements will again become clumsy like those of a child.

即使你掌握了这些复杂的动作，产生这些动作的神经回路还会根据你的体态不断作出调整,随着这些回路的老化，你要做的这些调整，或者说动作又会像孩提时那样,变得笨拙起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Tied to the ability to see things through is being willing to make whatever tweaks or more dramatic changes may be necessary to make the idea work.

FORBES: The Two Make-or-Break Traits Of An Entrepreneur

Whenever the BBC management proposes to launch a new service or make significant changes to an existing service the BBC Trust will consider the proposal and decide whether to launch a Public Value Test (PVT).

BBC: Trust review: Your questions

The US has already made clear that it would block any attempt by Russia or another country to make changes to internet governance.

BBC: Sir Tim Berners-Lee flags UN net conference concerns