There is only so much fuel in the tank and if you burn it up too quickly you are in trouble.
油罐里只有这么多燃料了，如果你用得太快，就有麻烦了。
《柯林斯英汉双解大词典》
2
"A tank is enough to get you around the region for the day, but you have to plan ahead," Martin Risberg, a county engineer, said as he filled a biogas Volvo.