There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

I don’t think you can compare eras in tennis. Every era has its great players.

Food security is a global issue that requires local action.

创新是我们工作的核心；这将帮助我们应对提供可负担能源同时减少环境影响的双重挑战。