第四十九条 纳税人适用退（免）税的出口业务，可以放弃退（免）税，选择免征增值税或者缴纳增值税，自放弃退（免）税之日次月起，适用退（免）税的出口业务免征增值税或者按规定缴纳增值税。
British Medical Association (BMA)
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the source material
If you design your functions to fully consume their arguments then you simply reference (ref)
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Other campaign groups, like the Wildlife Trusts, insist that many more fish are at risk. They highlight research from Natural England that found that over seven million fish would die if no measures whatsoever were put in place.