# hello world **Published by:** [y11](https://paragraph.com/@y11/) **Published on:** 2022-08-28 **URL:** https://paragraph.com/@y11/hello-world ## Content 1)每次交易不能亏本:利差必须大于交易费率。本次交易-上次交易,要能有盈利。 ## Publication Information - [y11](https://paragraph.com/@y11/): Publication homepage - [All Posts](https://paragraph.com/@y11/): More posts from this publication - [RSS Feed](https://api.paragraph.com/blogs/rss/@y11): Subscribe to updates