اثر

noun

trace, sign, mark, effect, impact

B2

The impact of this decision will remain in people’s lives for years.

I searched all the desk drawers to find my passport, but there was no sign of it.

Fingerprints and eye scans are unique features for identifying individuals.

Currency fluctuations affect the price of goods.

Communism affected the politics of many countries in the twentieth century.

Pharmacology helps us understand why a drug works and why it causes side effects.