normal investment practice

例句：

1. 1. The weather was quite normal today.
   今天天气相当正常。
2. 2. She is a normal student with good grades.
   她是一个成绩很好的普通学生。
3. 3. The normalcy of life is often overlooked in the rush of daily activities.
   在日常生活中，人们往往忽视了生活的常态。