The answer is simple: Space of an observer expands with increasing speed at the expense of remaining time reserves for the future.
答案很简单:一个观察者的空间以逐渐增加的速度膨胀,代价是为未来储存时间。
2
Measuring economic costs weighs the expense of both vaccination and illness against the net present value of the future earnings of someone who would otherwise die from the disease.
即通过接种疫苗和治疗的成本与那些若不给予治疗生命危在旦夕的人将来收入的净现值之比来估量经济成本。
3
Through the improvement to the expense financial service, the future revenue will transfer reasonably the part the current expense.