-----------------------------------
まだ， いまだ， 未だ
1. still, as yet, only
2. (not) yet
3. more, (more) still
4. at least, comparatively, relatively
5. unfinished, incomplete, not yet done
至今，迄今为止，仅有；还(没有)、尚未；更多，（更多）依然；至少，相对而言，相比之下；未完成的，不完整的，尚未完成的
-----------------------------------
ある， 有る， 在る
1. to be, to exist, to live
2. to have
3. to be located
4. to be equipped with
5. to happen, to come about
有，存在；有，拥有；发生；位于；配备
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd
