Line that demarcates the sides of the play area ; a rally ends when the ball falls outside the sideline .

排行标定玩耍区域的边;当这个球在这个边线之外，落集会结束。

Much as this new policy demarcates the contours of china 's engagements globally , it is significant that it retains some specific considerations for africa .

这项新政策勾画了在全球范围内中国对外贸易交往范围，尤为瞩目的是它对非洲保留了一些优厚待遇。

However what demarcates it from other public holidays is the hope that it sheds over the future of children the architects of tomorrow especially those thriving for " just existence " in the underdeveloped world .

不过，它与其他公共节日不同的是，国际儿童节给儿童的未来，特别是不大发达国家那些还在为生存抗争的儿童的未来，播种希望。

Mr. frankel is a member of the national bureau of economic research panel that demarcates the end of the recession , though he was only discussing his personal views .

弗兰克尔是美国国家经济研究局（nationalbureauofeconomicresearch）负责确定衰退终止时间的小组成员之一，但他的话仅代表个人观点。