He had buried his wife some two years before he retired.
他大约在退休前两年丧妻。
How many years call some people exist before they're allowed to be free?
一座山能存在多少年才会被冲进大海?。
After that, some can attend professional school for two to three years before work.
之后，一些可以参加专业学校两年到三年前的工作。
After that, some can attend professional school for two to three years before work.
之后，一些可以参加专业学校两年到三年前的工作。
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