To be on the safe side. we insist on payment by letter of credit.

为安全起见，我们坚持信用证付款方式。

youdao

We have no alternative but to insist on a cash payment within three days.

我方别无办法，务必请在三日内支付现金。

youdao

You can agree to sell but insist on payment in January and it will be respected.

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In fact, traders are more likely to insist on a tried and tested solution: payment in cash.

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If this limit is breached, HM Revenue and Customs can insist on the payment of import duty and VAT of up to 20% on many items, which may include those prized jeans or iPods.

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