谷歌云语音在C#中，在nuget依赖方面有问题

using Google.Cloud.TextToSpeech.V1;
using Google.Cloud.Speech.V1;
using Grpc.Auth;
using Grpc.Core;
using System;

public class GoogleCloudVoice
{
    private static readonly string projectId = "your-project-id";
    private static readonly string jsonPath = "path-to-your-service-account-json-file";

    public static void Main(string[] args)
    {
        // 设置谷歌云凭证
        var credential = GoogleCredential.FromFile(jsonPath);
        var channel = new Channel(TextToSpeechClient.DefaultEndpoint.Host,
            credential.ToChannelCredentials());

        // 创建TextToSpeechClient
        var textToSpeechClient = TextToSpeechClient.Create(channel);

        // 创建SpeechClient
        var speechClient = SpeechClient.Create(channel);

        // 调用谷歌云语音服务的其他方法
        // ...

        // 关闭连接
        channel.ShutdownAsync().Wait();
    }
}