When you consider how many street lights there are in the UK alone, it is clear there are some big opportunities for energy and cost savings, " he added."

如果你能想想光英国就有多少路灯，那么你就会清楚在能源和费用节省上存在着多大的机会。

youdao

When you consider how many street lights there are in the UK alone, it is clear there are some big opportunities for energy and cost savings, " he added."

如果你能想想光英国就有多少路灯，那么你就会清楚在能源和费用节省上存在着多大的机会。

youdao