Most custom sweepers observe some model object, and based on changes, fire logic to expire one or more cache pages.

多数定制清理器都会观察某些模型对象，并根据更改击发逻辑来使一个或多个缓存页面到期失效。

Observe that this sub-page allows custom schema files to be used.

注意，这个子页允许使用自定义架构文件。

They observe ancient custom and habits.

他们遵守古风俗与习惯。

Girl Scouts may say that they are against it, but it has become a tribal custom of the young that they observe with almost universal respect all the same.

女童子军可能会说她们反对这种做法，但是这种做法已经成为青年人“部落”习惯了，他们一律普遍地遵守它。

We still observe the custom of giving money to Carol singers.

我们仍然遵循着捐钱给颂歌队的习俗。

When you visit the Shaoxing garden, you can experience and observe the history pulse of Shaoxing, appreciate the folk-custom, attain abundant historical information.

提出观绍兴园林，可以体察绍兴的历史脉搏，领略绍兴的民俗风情，获得丰富的历史知识；

We can observe and study present custom of Zunyi as well as its historical custom and change by using the words of today's Zunyi dialect.

从今天遵义话的方言词语，可以考察遵义现在的民俗，也可以了解历史上遵义的民俗及其变化。

The Girl Scouts may say that they are against it, but it has become a tribal custom of the young that they observe with almost universal respect all the same.

女童子军可能会说她们反对这种做法，但是这种做法已经成为青年人“部落”习惯了，他们一律普遍地遵守它。