所以我尝试按照这个文档安装 ML Kit Face Detection 库，所以首先我在我的podfile：
pod 'GoogleMLKit/FaceDetection'
不幸的是，在我尝试安装它后，我在终端上遇到了这个错误：
[!] CocoaPods could not find compatible versions for pod "GoogleDataTransportCCTSupport": In snapshot (Podfile.lock):
GoogleDataTransportCCTSupport (= 2.0.1, ~> 2.0)
In Podfile:
GoogleMLKit/FaceDetection was resolved to 0.60.0, which depends on
GoogleMLKit/MLKitCore (= 0.60.0) was resolved to 0.60.0, which depends on
MLKitCommon (~> 0.60.0) was resolved to 0.60.0, which depends on
GoogleDataTransportCCTSupport (~> 1.2)
Specs satisfying the `GoogleDataTransportCCTSupport (= 2.0.1, ~> 2.0), GoogleDataTransportCCTSupport (~> 1.2)` dependency were found, but they …