additional layer

基本解释

This provides an additional layer of security.
這提供了額外的一層安全性。
However, an additional layer of semantics comes into play with XML.
然而使用 XML 時會産生一個語義的附加層。
Should the additional layer support all non-common functionalities of each implementation and throw exceptions if one that does not support it is chosen?
附加層是否應支持每個實現的所有非公共功能，竝且如果選擇了不支持該實現的附加層則拋出異常？

As the stock continues to stagnate beneath trendline resistance, these out-of-the-money calls could provide an additional layer of options-related pressure.
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Permanent life insurance can be viewed as having a core of something similar to term with an additional layer of a cash savings vehicle.
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Only if the product introduces something truly new, such as soyabeans with a much-higher oil level than usual, is there an additional layer of scrutiny.
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