1、It's clear redundancy wastefulness and inefficiency.
這顯然是人浮于事、浪費物力以及效率低下。

2、It is this terrible wastefulness that has got us into the mess we are in now.
正是這可怕的浪費使我們陷入了目前的困境。

3、Scientists have been telling us about the wastefulness of meat for at least 30 years.
科學家在30多年前就告訴我們肉食導致的大量浪費這一事實。

4、He thinks scorn of wastefulness in his superiors.
他蔑視他的上級揮霍浪費。

5、He ruminated on the terrible wastefulness that typified American life.
他認真思考了美國生活中典型且非常嚴重的浪費問題。