The downside: The city is still unaffordable for many, and the less-pricey suburbs can impose enervating commutes.

前面供参考，impose enervating commutes怎么理解？

impose enervating commutes怎么理解？
一、概念
1)impose:对某事某人产生不利影响并进而带来种种问题。
to have a bad effect on something or someone and to cause problems for them
impose a burden/hardship etc (on somebody/something)
Military spending imposes a huge strain on the economy.
2）enervating：=tiring 令人疲倦（劳累）的。
3）commute ：the journey to work every day: 每天上班来回往返
二、理解
impose enervating commutes：（和居住市区相比，虽然郊区房价低廉，但作为代价），要徒增上下班路途遥远颠簸之苦。
在全文翻译中，impose 可灵活处理，甚至可不译。只需将“上下班会很辛苦”表达出来即可。