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老问题一直都存在，新问题也开始暴露出来

Old problems still exist while new ones come to emerge.

2）结合自己的生活、学习、工作、兴趣等，先想象在什么语境下会用到这个表达，然后再进行造句

场景：New symptoms emerge while old ones haven't been cured yet.

造句：新症状出现