I had discovered the baboon trails where I could pull myself up the steepest parts by roots.
我发现了狒狒的足迹，在那里我可以用树根把自己拉到最陡峭的地方。
2
The researchers also note that the recession hit some years before we see the beginning of the wellbeing drop, and before the steepest wellbeing decline, which occurred in 2013.