a short period when a chance is available
一个短暂的时期，在这个时期内有机会 (yi ge duan zan de shi qi zai zhe ge shi qi nei you ji hui)
"We have a small window of opportunity to launch this product."
"我们有一个小的机会窗口来推出这个产品。" (wo men you yi ge xiao de ji hui chuang kou lai tui chu zhe ge chan pin)
to cry a lot or show extreme sadness
a sudden and powerful beginning; often used metaphorically
to start a relationship or activity in a positive way
to focus closely on something
the world considered as a single community due to technology...
something that is being monitored or considered
