政府补贴了农民的种子费用，以降低农业生产成本。

The government ___subsidizes farmers' seed costs to reduce agricultural expenses.

政府补贴公共交通，让票价保持低廉。

The government ___subsidizes public transportation to keep fares affordable.

政府补贴公共交通，以保持票价低廉。

The government ___subsidizes public transportation to keep fares affordable.