The argument is optional and allows retrieving of item values for a document other than the current one being processed by the current URL.

参数是可选的，允许检索文档的项值，而不是正被当前URL处理的当前项值。

youdao

Each method offers two versions — one that works for the current locale and one that accepts a locale as an argument to possibly specify a different locale.

每个方法都提供了两个版本——一个版本适用于当前地区，另一个版本接受一个Locale作为参数，以便可能地指定一个不同的地区。

youdao

That is, you pass the index of the repeat as the argument, and the function returns the current item in that repeat.

也就是，将repeat的索引作为参数传递给该函数，然后函数将返回这个repeat元素中的当前项目。

youdao

You know I think the No campaign made a very convincing argument about the simplicity of our current system and, frankly, the Yes campaign were never able to get going a compelling argument about why you'd want to change.

BBC: Transcript of George Osborne interview

The most compelling argument for the current system of design and approval, however, is the excellent safety record of the scheduled airlines as well as Business Aviation.

FORBES: Boeing's Dreamliner Nightmare: Resolution In Sight

The source of the current argument is the tax-cut plan itself, and the somewhat bizarre way in which it was implemented.

ECONOMIST: Playing politics with tax | The