I've also heard that the physical withdrawal only lasts three days.

我还听说物理戒断只能持续三天。

Yet, unlike the classic addictive drugs, Ecstasy does not produce physical withdrawal symptoms.

但和传统上瘾药不同，停止服用摇头丸后不会产生任何身体上的戒断症状。

In the book, over and over again, Allen Carr says some version of, the actual physical withdrawal from nicotine is a very mild, slightly empty, insecure feeling.

艾伦·卡尔在书中一遍又一遍地说，从尼古丁中实际戒断身体是一种非常温和、略显空虚、不安全的感觉。