человеческая деятельность
• Science, like any other area of human endeavour (or activity), has its illusions.
• Pollution may result from man's activities.
Русско-английский научно-технический словарь• Science, like any other area of human endeavour (or activity), has its illusions.
• Pollution may result from man's activities.
Русско-английский научно-технический словарь