独自的 be alone
打折 ...off
采取措施做某事.take action/steps to do sth
对某事负责.be responsible for ...
使...结束 finish doing
.除...之外 except for
...的问题 the problem of
一方面...另一方面 on one hand,on the other hand
独自的 be alone
打折 ...off
采取措施做某事.take action/steps to do sth
对某事负责.be responsible for ...
使...结束 finish doing
.除...之外 except for
...的问题 the problem of
一方面...另一方面 on one hand,on the other hand