政府正在考虑通过立法来使加密货币交易合法化。

The government is considering ___legitimising cryptocurrency transactions through legislation.

议会通过法律正式承认了同性婚姻。

The parliament passed a law ___legitimising same-sex marriage.

这些广告试图通过名人代言来使产品看起来更可信。

These ads try ___legitimizing the product by using celebrity endorsements.