It's okay to not be okay.
感觉不好也没关系。
统计分析的最终目标是从数据中提取信息。
Life is real,life is earnest.
我们必须平衡能源发展与环境保护,实现可持续增长。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
The more you know, the more you realize you don't know.
The best way to predict the future is to create it.