想联系都是打上海电话……提供6位数字
美区.. 找到官方说明了 没显示在线客服是因为不在办公时间Here's how to chat with us:
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Choose the topic and sub-topic that best match your reason for contacting us.
Select the "chat with us" option near the bottom of the page (if you don't see this option it may be outside of our business hours or we may not have agents available).