These categories are not well defined.
这些类别划分得不太明确。
Leisure is often defined in opposition to work.
休闲常被定义为工作的反面。
The powers of the police must be clearly defined.
警察的职权必须明确界定。
Louis Armstrong defined jazz pithily as "what I play for a living."
路易斯•阿姆斯特朗把爵士乐简单定义为“我为了谋生而玩的东西。”
Like most other American companies with a rigid hierarchy, workers and managers had strictly defined duties.
像大多数其他等级制度森严的美国公司一样，工人和管理人员都有严格界定的职责。
They have no defined shape as basketball players.
他们没有轮廓分明的篮球运动员的外形。
Stability can be defined as simply lack of change.
稳定性可以被定义为只是缺乏变化。
We all like clearly-defined boundaries for ourselves.
我们都喜欢自己有明确的界限。
Happiness was defined, as in the earlier study, by feeling good.
在早期的研究中，幸福被定义为感觉良好。
The length of the workday, for many workers, is defined by time.
对于许多工作者来说，工作日的长短是由时间来定义的。
Meaning was defined as an orientation to something bigger than the self.
意义被定义为一种超越自我的取向。
Migration is usually defined as "permanent or semipermanent change of residence".
移民通常被定义为“永久或半永久的居住变化”。
They suggest beauty should not be defined by looks that end up impinging on health.
它们表明不应凭借最终将有损于健康的外表来定义美。
Animal migration, however it is defined, is far more than just the movement of animals.
无论如何定义，动物迁徙都远远不止是动物的移动。
These objects are defined as implicit because you do not have to explicitly declare them.
这些对象之所以定义为隐式的，是因为您不必显式地声明它们。
It's defined by which horizontal or vertical slice of the world you connect yourself with.
它是由你所连接的世界的水平或垂直部分来定义的。
The analysis reveals that intensity appears to fluctuate with a clear, well-defined rhythm.
分析表明，强度似乎以一种清晰的、明确的节奏在波动。
Cost-cutting here is defined as raising labor output while holding the amount of labor constant.
这里的成本削减定义为在保持劳动力数量不变的情况下提高劳动力产出。
Remember that we need to multiply it by the volume here, the volume of some sphere we've defined.
记住我们需要把它乘以体积，乘以某一个我们已定义的球体的体积。
Unlike marriage or the ties that bind parents and children, it is not defined or regulated by law.
不像婚姻或联结父母与孩子的纽带，它不被法律所定义或约束。
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