These things are not sustainable; they don't make us happy in the long term.
这些事情不具有可持续性；从长远来看，这些事情并不会让我们快乐。
世界上的资源并不是取之不尽的。
但这种情况是不可持续的。
这也是一种不可持续的状况。
The home prices we see now are not sustainable.
目前的房屋价格是不可支撑的。
Such combination of high price and high volume is not sustainable.
这种组合的高价格和高容量是不可持续的。
In four years' time, because the business model was not sustainable.
坚持了四年原因是生意模式不可持续。
There is a growing realisation that life, as we live it, is not sustainable.
我们越来越认识到，咱们的生活是不可持续的。
While the one-to-one model may work on a small scale, it is not sustainable.
虽然单对单模型可能在小规模下能够正常工作，但它是不可持续的。
The rate at which China USES up natural resources is simply not sustainable.
中国消耗自然资源的效率是不可持续的。
It is increasingly clear that this level of reserve accumulation is not sustainable.
越来越清楚的是，这种储备增量水平是不可持续的。
What is crucial is recognizing that sustainable agriculture is not just about sustainable food production.
关键是要认识到，可持续农业不仅仅是可持续粮食生产。
But how sustainable these profits are is not clear.
但这些收益能持续多久却不是很清楚。
This is all well and good, but the plan may not be sustainable.
这项计划确实不错，然而这个计划恐怕很难执行下去。
It will not be sustainable over time.
它无法持续多长时间，为什么呢？
The ethics argument is a red herring, and not a particularly sustainable one.
道德方面的理由是在转移视线，并不是特别具有可持续性。
This is not a sustainable engine of growth.
这样的增长动力并不稳定。
This is not a sustainable engine of growth.
这样的增长动力并不稳定。
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