### Chinese: 第三，新的流量渠道拓展不顺利。
### English: Thirdly, the progress in new flow channel expansion is not as good as expected.
### Errors: There is a major error of incorrect translation has stylistic problems at "Thirdly". There is a minor error of incorrect translation includes information not present in the correct translation at "as good as expected".

### Improved English: Third, the expansion of new traffic channels is not smooth.