国内 | guó nèi | domestic; internal (to a country); civil |
用 | yòng | to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore |
合法 | hé fǎ | lawful; legitimate; legal |
吗 | ma | (question particle for "yes-no" questions) |
mǎ | see 嗎啡|吗啡, morphine | |