球场是我的避风港,是我感觉最有活力的地方。
What you actually pay for something is at least twice the listed price because of the energy, time, money needed to set it up, learn, maintain, repair, and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.
Safety production is a red line that must never be relaxed at any time.
Curiosity is the driving force behind every great scientific breakthrough.