Formal:
* 听起来不错 (Tīng qǐlái bùcuò): This literally translates to "Sounds not bad." It's a polite way to agree with a suggestion.
* 这个计划听起来很好 (Zhège jìhuà tīng qǐlái hěn hǎo): This translates to "This plan sounds very good." It's a more specific way to express agreement with a plan.
* 我很赞同你的计划 (Wǒ hěn zàntóng nǐ de jìhuà): This means "I strongly agree with your plan." It's a very affirmative way to express your agreement.
Informal:
* 好呀 (Hǎo ya): This means "Okay," or "Sounds good." It's a very casual way to agree.
* 没问题 (Méi wèntí): This literally means "No problem," but it can also mean "Sounds good," or "I'm in." It's a common way to express agreement in casual settings.
* 就这么办吧 (Jiù zhème bàn ba): This means "Let's do it like that." It's a way to agree and move forward with a plan.
More natural:
* 听起来很不错，我们就这么办吧 (Tīng qǐlái hěn bùcuò, wǒmen jiù zhème bàn ba): This combines the "sounds good" and "let's do it" expressions for a natural and affirming response.
You can choose the expression that best suits your needs and the situation.