1、bulky2、volume3、transport4、namely5、advantageous6、delivery7、economical8、maintenance9、lie in10、give way to第二组内容A、 the act of taking goods, letters, etc. to a particular person or placeB、the act of keeping something in good condition by checking or repairing it regularlyC、 that is (to say)D、good or useful in a particular situationE、movement of people or goods from one place to anotherF、large and difficult to move or carryG、be replaced byH、the amount of somethingI、exist or be foundJ、not spending more money than necessary