The ISS is a complex piece of machinery, and sometimes things break.
国际空间站是一个复杂的机械部件联合体，时常会发生一些故障。
There are usually major versions, minor versions, and sometimes things like package identifiers.
版本号通常包含主版本号和小版本号，有时也会有诸如包版本号之类的称呼。
Sometimes these things excite people, and sometimes things confuse or trouble them.
有时这些事情使人们兴奋，有时它们又使他们困惑或烦恼。
Sometimes these things excite people, and sometimes things confuse or trouble them.
有时这些事情使人们兴奋，有时它们又使他们困惑或烦恼。
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