Just staying up late can cause increased academic difficulty and attention problems for otherwise healthy while functioning kids.
对于本应健康正常的孩子,熬夜会导致更高的学习难度和注意力问题。
For instance, there is no limitation on field lengths, which alleviates a cause of considerable implementation difficulty in EDI and mechanical adaptations thereof.
例如,字段长度上没有限制,这就缓解了EDI中许多实现困难的起因,以及其中的机制适应问题。
Another difficulty is something that ought to be a cause for joy and gratitude: people are living ever longer.
另一件麻烦事本是应当令人欢欣鼓舞的:人们比从前更加长寿了。
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