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Using '随即' in casual conversation. → In casual conversation, use '马上' or '立刻'. For example, instead of '我吃完饭，随即就去睡觉了', say '我吃完饭，马上就去睡觉了'.

Applying '随即' to events with a significant time gap. → Use '然后' or '之后' for events that are not immediately sequential. For example, instead of '他上午上班，随即下午回家了', say '他上午上班，下午<mark class='bg-emerald-200 dark:bg-emerald-800 px-0.5 rounded'>然后</mark> 回家了'.