茎有时分枝，通常螺旋扭曲，多叶，很少无茎的植株的。
Stems sometimes branched, usually spirally twisted, leafy, rarely plants stemless.
很少无面试官问那些问题仅仅是念让你尴尬，但是很多不可预知的问题都是为了特定的目的才问的。
While a rare interviewer may ask these questions simply to watch you squirm, many wild-card questions serve a purpose.
当数据在易受攻击的环境中流动时，电话和手持设备的许多可用操作系统只能提供很少的甚至无安全性。
When data is flowing through a vulnerable environment, many of the available operating systems for phones and handheld devices offer little or no security.
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