当两个句子之间谈论的内容比较紧密关联的时候应该使用逗号来凸显两个句子之间的关联性。
查看答案
云南勐库大雪山野生壹号茶树王是地球上最古老的大茶树。
The narrator did not expect someone would offer her a seat on the bus that day even though she still felt weak from illness.
In the conclusion paragraph, we may address possible opposing viewpoints.
增量算法不需要做累加，计算误差或计算精度问题，对控制量的计算影响较小，这种说法是对或错？
微信支付 
支付宝支付