
instabbr(用于商业书信中)本月的 (of this present month)on the 18th inst. 在本月18日 (=instant)inst=instant;instantaneous;instruct;instruction;instructor;instrument;instrumental;instrumentationInstitute;Institution

instabbr(用于商业书信中)本月的 (of this present month)on the 18th inst. 在本月18日 (=instant)inst=instant;instantaneous;instruct;instruction;instructor;instrument;instrumental;instrumentationInstitute;Institution