The cost is too high.

成本太高了。

The cost of return tickets is too high.

往返票价太高。

The cost is not so important, but the time is.

费用不太重要，但时间很重要。

The cost of the repairs was a lot cheaper than I thought.

修理费比我想的要低得多。

Can we split the cost?

我们可以拆分费用吗？

What is the cost of this house?

这栋房子的造价是多少？

Does this quote include the cost?

这个报价包括到岸价吗？

What is the cost of this shipment?

这批货物的到岸价是多少？

Do you know the cost of this event?

你知道这次活动的成本吗？

The cost of this trip is very high.

这次旅行的花销很高。