It was possibly developed gradually through XXXX.
2個adv擺埋一齊...
如果唔岩, 可以點改?
更新1:
It is also not as pictorial as commonly perceived. 呢句又岩唔岩??
更新2:
如果第一條, 唔用gradually, 仲有D咩字可代替而又會岩?
更新3:
Although some sign languages were influenced by the academic exchanges between countries and led to some similarities, they are still distinct from one another. 呢句有冇錯grammar?
更新4:
the misconception of sign language is international appears to be widespread due to incorrect suppositions. 呢句有冇錯Grammar? 一句有2個verbs. 但會唔會所which omit左?
更新5:
It is also neither a specific gesture system nor as pictorial as commonly perceived. 如果改成咁樣, 唔知有冇錯grammar呢? nor之後用 as pictorial as