短語詞組短語Identify bottlenecks 識別瓶頸logistics bottlenecks 電子商務(wù)物流Four bottlenecks 四大瓶頸institutional bottlenecks 制度瓶頸performance bottlenecks 性能瓶頸population bottlenecks 瓶頸效應(yīng)teaching bottlenecks 教學(xué)瓶頸Resource Bottlenecks 資源瓶頸Remove Bottlenecks 解決瓶頸bottleneck problem 瓶頸問題 返回 bottlenecks