it is only through continuous effort that true change is achieved
只有通过持续的努力，真正的改变才能实现。
该句使用强调句型突出唯一条件以表达因果关系。
"The true greatness of a scholar lies in the magnificent work they perform in silence."
"Life is in your own hands only when you choose a joyful life will you have motivation"
"Do not disdain small matters, for great achievements start with small actions."
"One Saturday morning, a pastor was struggling to prepare his sermon."
"All we can do is give our best"