根据一项研究，如果孩子频繁使用社交媒体，特别是在晚上，他们的睡眠将会变差，也会感觉更焦虑和消沉。
According to the research, if a kid uses social media a lot, especially at night, he or she will sleep worse and feel more nervous and depressed.
动态包含提供了最高的灵活性，但如果使用过于频繁，会带来巨大的性能开销。
Dynamic includes offer the highest flexibility, but come with a significant performance overhead if used too often.
如果您认为这些类型的映射会出现得很频繁，那么考虑使用可重用的Submap。
If you determine that these types are frequently mapped together, consider using a Submap which is re-usable.
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