| 1. | Economics is one of the subjects which concern human activities .
经济学是有关人类活动的学科之一。 |
| 2. | Wastes resulting from man's activities have been traditionally discharged into the ocean .
人类活动时所产生的废物传统上都是排入海洋。 |
| 3. | Like other human undertakings, it is guided by the dominant societal ideology .
象其他的人类活动一样，它必然会受到占主导地位的社会观念形态的支配。 |
| 4. | During this same period, other human activities will exert a variety of stresses on forest eco-systems .
在同一时期内，其他人类活动将给森林生态系统带来种种胁迫。 |
| 5. | Culture is no longer the expression of a supra-historical force but the product of human activity through labour .
文化不再是某种超历史力量的表现，而是人类活动（通过劳动）的产物。 |
| 6. | Does human activity improve or damage the earth
人类活动是改善还是破坏了地球？ |
| 7. | Space which can not be used for a specific human activity
太空中不能用一个具体的人类活动 |
| 8. | The first was emissions from human activity , he said
第一个因素是人类活动所排放的温室气体。 |
| 9. | The essence of language is human activity
语言的本质是人类活动。 |
| 10. | The essence of language is human activity
语言的本质是人类活动。 |
