例句 1. An accident happened and many lives were lost. 2. Columbus discovered America by accident. 3. He discovered an accidental error in his composition. 4. They met accidentally at New York in annual convention. 5. He has a cadence of 120 steps per minute. 6. The decadence of morals is bad for a nation. 7. The incidence of a tax is limited if only a few people must pay the tax. 8. He has a cadaverous countenance. 9. Frontier incidents have been common on the border. 10. On our trip we spent 100 yuan for meals, room and railroad fare, and 15 yuan for incidentals, such as candy, magazines’ stamps, etc. 11. In this discussion grave questions were incidentally brought up.