开头句型
I....has both advantages and
disadvantages.……既有利又有弊。例如:
1.Obviously television has both advantages and disadvantages.
2.Living in a city has both advantages and disadvantages.
pared with cars,bikes have their advantages and disadvantages.
举一反三:
1.Although computers bring people a lot of convenience,they have many
disadvantages.
2....has many advantages.For example,...However,just as every
coin has two sides,...has its
disadvantages.(本例将利弊分开讲,转折过渡自然。just as every coin has two sides也很值得背诵。)