발생을

발생을

"발생을" translates to "occurrence" or "happening" in English.

In this sentence, '발생을' refers to the occurrence or happening of '문제' (issues). It signifies the existence or emergence of the problem.

문제의 발생을 미리 예방해야 합니다.

We must proactively prevent the occurrence of any issues.

Here, '발생을' denotes the emergence or happening of '사고' (accidents), emphasizing the action of reducing such occurrences through preventive measures.

사고의 발생을 줄이기 위해 안전 규칙을 강화했습니다.

We have strengthened safety rules to reduce the occurrence of accidents.

In this context, '발생을' represents the appearance or occurrence of '환경 오염' (environmental pollution), highlighting the requirement of efforts to prevent it.

환경 오염의 발생을 막기 위한 노력이 필요한 때입니다.

It is time we need efforts to prevent the occurrence of environmental pollution.