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Useful Words and Expressi... ... 根据公允及善意的原则 ex aeque et bono: as a result of fair dealing and good conscience 出于善意的 ex gratia: done as a matter of fxdyour （An ex gratia payment is one not required to be made by a legal duty.） 依职权而自然获得 ex officio: by virtue of holding an office ...