这笔付款是针对未清发票的。

The payment is made ___in ___respect ___of the outstanding invoice.

这些政策在数据安全方面尤为重要。

These policies are particularly important ___in ___respect ___of data security.

关于合同条款，需要进行进一步的讨论。

Further discussions are needed ___in ___respect ___of the contract terms.