The difference between one thousandth and one thousandth.

1, degree: 1/1000, refers to choosing the best and the best among many options, emphasizing rarity and particularity. One in a million places more emphasis on the preciousness and uniqueness of gifts or items.

2. Usage: In daily life, one in a thousand is often used to describe a person or thing that stands out from the crowd and has excellent quality, talent or value. And the one thousands of miles away is more used to express great appreciation and cherish for someone or something.