The disconnected inputs must be either put into a separate input criterion or marked as optional by setting their minimum multiplicity to zero to allow the process to execute.

未连接的输入应被放入某个单独的输入条件，或是标记为可选，即把它们的最小增殖次数设置为零，以允许执行流程。

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The large number of optional PDBML elements allow the documents to be very flexible and highly variable.

大量的可选pdbml元素让文档非常灵活和高度可靠。

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The "real" driver's class name and optional classpath configuration items serve to allow the WrappingJDBCDriver to locate and classload the driver class so that it can be wrapped and delegated to.

“真正的” 驱动程序的类名和可选类路径配置项的作用是允许 WrappingJDBCDriver 查找和载入驱动程序类，这样它就能够被包装和委托了。

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Saying that gamers want flexibility in how and where they play, Razer will offer optional accessories to allow players to customize their gaming experiences through hardware attachments.

CNN: At CES, Razer rolls out tablet for hard-core gamers

The latest Intel processors and optional powerful discrete graphics allow parents and kids to stay connected to each other and to enjoy the things they love, such as music, movies and casual gaming.

ENGADGET: Dell adds XPS One 27 with 2560 x 1440 screen to its all-in-one lineup, prices start at $1,399 (video)

If our elected officials truly want to modify a system in a creative way, why not at least allow small pilot projects for purely optional premium support programs for seniors who want to find cheaper insurance more tailored to their own needs?

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