Even Google is straddling the fence, giving with one hand and taking with the other.
Google现在也是跨过篱笆，一只手在奉献，另一只手却在夺取。
2
While straddling the fence, my dog nipping at my foot.
跨骑在栅栏上，我的狗不时地咬我的脚。
3
So, on principle, if I were to keep it simple (and I'm kind of making it complicated by straddling the fence), the most important thing I could advise you to do is to get yourself in shape.