自信是成功的必要条件。的翻译：Confidence is essential for success. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Self-confidence is a necessary condition for success.

Confidence is essential for success.

Self-confident is the successful essential condition.

Self-confidence is a necessary condition for success.

Confidence is essential for success.