In general, the two-word stage begins roughly in the second half of he child's second year.

一般而言，双语句阶段大概开始于儿童一岁半到两岁期间。

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Such individuals appear to be behaving as if they were giving a performance, with the mobile as a theatrical prop, hence the use of the word stage.

这些人打电话时候的行为就好像在表演一样，把手机当作道具，所以才会用stage这个词来表示。

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Organizers also added an additional computer test for the semifinals, imposed time limits on computer-based spelling and vocabulary tests and added a rule that resulted in automatic elimination for any participant who misspelled a word on stage in the second or third rounds.

CNN: New York eighth-grader wins national spelling bee

Each code word represented a different stage of the mission: leaving Jalalabad, entering Pakistan, approaching the compound, and so on.

NEWYORKER: Getting Bin Laden

Harrell never said a word, and spent much of his time at the edge of the stage.

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