Theory X

例句：

1. 2. Theory Z例句：1. Theory X suggests that people should be more independent and self-reliant.
   理论X认为人们应该更加独立和自给自足。
2. 2.Many people believe that Theory X is outdated and needs to be replaced by Theory Y.
   许多人认为理论X已经过时，需要被理论Y取代。
3. 3. The debate over Theory X has sparked a lot of discussion and controversy.
   关于理论X的争论引发了很多讨论和争议。