1. According to my mother, my natural parents were Samoan and only teenagers when I was born, so they gave me up for adoption.
    母亲告诉我，我的生身父母是萨摩亚人，我出生时他们才十几岁，所以他们把我送给别人抚养。

2. Since the adoption of the new working method , production has gone up.
    自从采用了新的工作方法，产量提高了。