使用conda install卡在collecting package meta或solving envieonments是因为conda版本较老，需要更新conda版本，并且建议替换成mamba从而加速包下载 方法：在控制台中输入conda update -n base conda 更新conda到最新版本。然后执行：conda update --all 。

The ease of recovering information that was not properly redacted digitally suggests that at least some of the documents released by the Justice Department were hastily censored. By Santul Nerkar ...