| 1. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学发展缓慢，一部分原因是解释性的条款太直观，另一部分原因是很难找到其他解释。 |
| 2. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
这种行为科学改变很慢，一部分原因是解释的条目可以直接发现，一部分原因是其他解释很难被发现。 |
| 3. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学发展相当慢，一部分原因是解释该行为的答案可以直接发现，一部分原因是其他答案很难被发现。 |
| 4. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学发展缓慢，一部分原因是这些说明性的条款通常是很直观的，还有一部分原因是很难找到其它的解释。 |
| 5. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学发展很缓慢，一部分原因是由于解释项目总是被直接观察到，还有一部分是由于很难找到其他的解释。 |
| 6. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学之所以发展缓慢，部分原因是用来解释行为的依据似乎往往是直接观察到的，部分原因是其他的解释方式一直难以找到。 |
| 7. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学之所以变化得如此缓慢，部分原因在于解释性的东西常常很容易直接观察到，而另一部分原因就是那种解释很难被找到。 |
| 8. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学之所以变化缓慢部分原因归结于解释性的东西常常很容易直接观察到，而另一部分原因恐怕就是因为那种解释很难找到了。 |
| 9. | The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find
行为科学很缓慢地改变，部分原因是行为科学的说明项目通常被直接观察到，部分原因是其它已经慢部分改变而且部分因为其他类型的解释方法很难找到。 |
