Skill comes only with practice, patience, and persistence.

只有通过练习、耐心和坚持不懈才能获得技能。

《柯林斯英汉双解大词典》

Ink can be pretty tough to get out, but most ballpoint pen ink stains come out with lots of persistence and patience.

墨迹很难清除，不过，只要有足够的恒心与耐心，大部分圆珠笔印迹都是可以清除的。

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They also find evidence that flexibility is associated with lower rates of unfilled vacancies and with lower persistence of unemployment over time.

ECONOMIST: Working man’s burden | The

"Always fight for what you believe in the right way, with respect and persistence, " she said.

CNN: STORY HIGHLIGHTS

Through the years, the Center for Security Policy has helped ensure a vigorous national security debate and, in so doing, has strengthened our national security, with energy, persistence and patriotism.

CENTERFORSECURITYPOLICY: Center For Security Policy