而且，這筆交易費用為15美元，與其他筆交易相比，風險較小，無需擔心。

而且，這筆交易費用為15美元，與其他筆交易相比，風險較小，無需擔心。

結果 (英文) 1:

Moreover, the deal cost $ 15, compared with other transactions, with less risk, no need to worry.

結果 (英文) 2:

Moreover, the deal costs $15, which is less risky than other deals and requires no worry.

結果 (英文) 3:

Moreover, the transaction costs $15, which is less risky than other transactions, so there is no need to worry.