Sentence examples for two effects from inspiring English sources

"two effects" is grammatically correct and can be used in written English.
It can be used when describing the consequences or results of an action or event. For example: - The new policy had two effects: it increased profits for the company, but it also caused dissatisfaction among employees. - The medicine had two effects: it reduced pain, but it also caused drowsiness. - The earthquake had two main effects on the city: it destroyed many buildings and disrupted the economy.