1. The same old favourites recur year in year out with monotonous regularity.
    一些相同的老嗜好年复一年地以单调的规律重现。

2. The same old favourites recur year in year out with monotonous regularity.
    一些相同的老嗜好年复一年地以单调的规律重现。

3. The same old favourites recur year in year out with monotonous regularity.
    相同的决心以单调的规律年复一年地出现。

4. The great characteristic of the Nile is the regularity of its floods.
    尼罗河的最大特征就是河水定期泛滥。