1·You can also leave message for me.
你也可以给我留言。
2·It's also fine if you leave message in Pinyin or Chinese, now that it is readable.
其实你用拼音或者中文给我留言也可以的，现在我能看到了。
3·If you are interested in me, please leave message here, I will answer it as soon as possible.
如果您对我感兴趣，请在这里给我留言，我会尽快回答你。