许多现代建筑物的问题在于缺乏特色。
The problem with many modern buildings is that they lack personality.
然而,使所有的黑土形成冰川作用的问题是,在前寒武纪沉积物中广泛分布有黑土。
The problem with ascribing all tillites to glaciation, however, is that tillite deposits are widespread in Precambrian sediments.
问题在于,这种化合物对大脑有混合作用,这种情况在服用精神药物时并不少见。
The problem is that the compound has mixed effects in the brain, a not unusual occurrence with psychoactive drugs.
The discussion was over using things like poker chips for reinforcement and the point is exactly right.
这是关于应用筹码等物来强化行为的问题,她说的十分正确。
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