convenient

方便的

【例】We hope that you will find it convenient now to send us your cheque for this amount.

希望你方现在顺便将此款项的支票寄给我们。

conventional

传统的，陈旧的

【例】Manufacturers who produce conventional garments will appear to be facing difficulty in the coming months.

在未来的几个月，生产旧式[传统]服装的厂商看来要面临困难。

convergence，convergency

会聚，集中

【例】There is a great degree of economic convergence between member states.

成员国之间在经济方面有很大的一致性。