实验设计的美妙之处在于它有效地排除了混淆变量；声学隔离确保了雌性只能对鸣声结构本身做出反应。
The beauty of the experimental design is that it effectively rules out confounding variables; acoustic isolation assures that the female can respond only to the song structure itself.
老鼠不能反胃或打嗝，因为它们受到了两个胃之间隔离墙的限制，它们也不能有效调节横隔膜肌肉的活动。
Rats can't vomit or burp because of a limiting wall between their two stomachs and their inability to control the diaphragm muscles needed for the action.
不同之处在于只读绑定挂载和使用名称空间增强chroot环境的隔离性，使之成为有效的容器。
The difference lies in the read-only bind mounts and the use of namespaces to enhance the isolation of the chroot environment to the point that it becomes an effective container.
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