Those who are enthuseicestic about this are probably hoping it's just a tip of the iceberg.

热衷于此的人可能希望这只是冰山一角。

This is only a tip of the iceberg because we know there are a lot of companies operating in these locations, but due to unfair global tax rules, they're not giving back their fair share.

这只是冰山一角， 因为我们知道有很多公司在这些地方开展业务，但由于不公平的全球税收规则， 他们没有回馈应有的份额。