There are jobs more dangerous than truck driving; for instance, training lions.有的工作比駕駛卡車(chē)更危險(xiǎn), 例如馴獅.Ethiopia, for instance uses the equivalent of just twenty kilos of oil per head a year.比如說(shuō)，埃塞俄比亞每年的人均消費(fèi)支出僅相當(dāng)于20公斤的石油。They ...