拥有一辆小车的一大优点是你可以轻松停车。

The great ___virtue of having a small car is that you can park it easily.

最后，尽管人们对地球过度拥挤持负面态度，但更长的寿命似乎优点多于缺点。

Finally it should be said that despite the negative attitudes towards the overcrowding of our good old Earth, longer life seems to have more ___virtues than drawbacks.

该计划的另一个优点是它的成本效益。

Another ___virtue of the plan is its cost-effectiveness.