Sometimes original art works appear questionable or inauthentic because they've had so many restorers add touch-up layers to cover up damage, damage from the paint having deteriorated over time.

有时候艺术品真迹看起来是赝品，是因为很多修护人员添加了很多层保护膜，以覆盖油画上的损伤；而随着时间的推移，画作上损坏的地方已经恶化了。

youdao

Bad habits such as smoking, staying up late and sitting for a long time can damage people's health.

诸如吸烟、熬夜和久坐等坏习惯会破坏人的健康。

youdao

So once cigarettes wrinkle up your face, you'll have a harder time correcting the damage with cosmetic surgery than people who've never smoked.

所以一旦吸烟使你产生皱纹，通过整形手术修复损害，你将比不吸烟的人更痛苦。

youdao

If the Roberts court decides any of those cases in industry's favor, Congress will surely draw up a bill to reverse the damage--one that even McCain would have a hard time vetoing.

FORBES: November Election A Lawyer's Delight