情节中有许多不同的线索。

There are a number of different ___strands to the plot.

在做出决定之前，我们需要考虑论证的每一个方面。

We need to consider every ___strand of the argument before making a decision.

这部纪录片探讨了当代社会的多个层面。

The documentary explores various ___strands of contemporary society.