因 + Reason + (而) + Result
因 (yīn) is a conjunction meaning "because of" or "due to." It introduces the reason or cause for something and is commonly used in formal and written Chinese. For example, 因天气原因 means "due to weather reasons."
因时间有限,我们先讨论重点。
Yīn shíjiān yǒuxiàn, wǒmen xiān tǎolùn zhòngdiǎn.
Since time is limited, we'll discuss the key points first.
因他临时有事,会议改期了。
Yīn tā línshí yǒu shì, huìyì gǎiqī le.
Because something came up for him, the meeting was rescheduled.
因天气变化太快,登山活动只好取消。
Yīn tiānqì biànhuà tài kuài, dēngshān huódòng zhǐhǎo qǔxiāo.
Because the weather changed too quickly, the hike had to be canceled.