许多外在因素都可能影响人的心情。
更进一步地说，在本例中，活动是需求的外在因素。
Further, in this example, the activity was an explicit element of the request.
外在因素的作用是导火线；
外在因素影响着他们的行为，也可能是我自己的行为。
Outside factors were affecting their behavior and probably mine.
当我不熟悉该类别产品时，它的外在因素比内在因素重要。
If I am NOT familiar with such product category, its extrinsic factors are more important.
如果我熟悉该类别产品时，它的内在因素比外在因素重要。
If I am familiar with such product category, its intrinsic factors are more important.
很反讽的是目前很多的外在因素，都不是任何一个国家所能控制的。
Ironically, many of these external factors are beyond the control of any single country.
一个是外在的因素，即我们生活的社会环境；
“我与他人”成为构建内在与外在躯体的重要参与因素。
"I and other" is an important participating factor in constructing internal body and external body.
“我与他人”成为构建内在与外在躯体的重要参与因素。
"I and other" is an important participating factor in constructing internal body and external body.
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