A young person may begin puberty at 8, while another may not start puberty until 14 or 15.

一个青少年可能在8岁开始青春期，而另一个可能直到14或15岁才开始青春期。

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You can select one or begin typing the name of the editor you want to open, and the list will start filtering.

您可以选择一个或者开始键入需要打开的编辑器名称，然后列表将开始筛选。

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Or, you can start a new transaction with a BEGIN WORK statement.

或者，可以用 BEGIN WORK 语句开始一个新事务。

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Other families wanted to raise cows or horses or begin a farm and start a new life.

VOA: special.2010.03.10

Nonetheless, it's not too early for businesses to start thinking about the semantic Web, or to begin experimenting with tagging their corporate documents and files.

FORBES: The Evolution Of Web Search

Experimental medicines are always thoroughly tested in animals before human tests begin, yet nine of 10 drugs that start human trials prove unsafe or ineffective.

FORBES: Magazine Article

Hargreaves, who is halfway through a four-year contract at United, hopes to begin training with the United first team at the end of July or the start of August but he could be restricted to as little as one session per week.

BBC: Hargreaves faces career concerns